Features
What the platform can and cannot do: archiving, languages, disclaimers, the API and the answers to common capability questions.
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- Adding a disclaimer to outgoing email Email · Features — How to add a standard disclaimer to every message your domain sends. You can append a disclaimer to all outgoing email and manage the wording yourself in the Control Panel. It applies to every message
- Alias domains Email · Configuration — What an alias domain does, what it cannot do, and how to swap one with your primary domain. An alias domain inherits the mail configuration of its primary domain. Mail addressed to someone at the alia
- Antispam Recommendations WordPress — Spam is a bummer, as I’m sure most of you agree. Here are some WordPress anti-spam plugins we’ve personally used. Titan Anti-spam & Security (Recommended) Pros super simple, no configurati
- API Email · Features — Is there an API (application programming interface) available? Yes, almost all of Zimbra is exposed via SOAP and REST URL’s. We suggest you start by reviewing the following articles: https://wiki.zimb
- Archiving your mail Email · Features — The two meanings of archiving: freeing space in your mailbox, and keeping a permanent record of everything. People ask for archiving to solve one of two different problems. One is a mailbox that is ru
- Backups in Zimbra 10 Email · Features — Zimbra are making significant changes to the way backups in Zimbra 10 onwards are working. The following details relate to how backups and restores work on the Protected Service platform going forward
- Call out verification cache Email · Troubleshooting — If you have just set-up a new email address and our servers are rejecting it with a Non Delivery Report saying email does not exist, then this is almost certainly because our MX servers have previousl
- Changing your database password WordPress — When to change the database password behind your WordPress site, and how to do it without taking the site offline. Your site was installed with a 23 character random database password, which is long e
- Choosing a canonical website address WordPress — Your site runs on the www address, so that is the address to standardise on. The canonical address is the one version of your web address that you want people and search engines to treat as the real o
- Choosing a strong password WordPress — What makes a password hard to break, and how to keep track of the ones you use. Length is what defeats an attacker, not punctuation. A short password full of symbols falls to a modern cracking rig far
- Choosing your spam filtering settings Email · Spam filtering — The three ways spam filtering can be set up for your domain, and which one suits you. Every incoming message is given a spam score. The higher the score, the more certain the system is that the messag
- Connecting a mail client to your mailbox Email · Configuration — Which mail programs work, where your server settings are, and which port to use when sending fails. Any mail program that speaks POP3 or IMAP can reach your mailbox. Outlook, Thunderbird, Apple Mail a
- Create application specific passwords Email · Configuration — How to let a device sign in when it cannot prompt you for a two-step code. An application passcode is a separate password for one device or program. It exists because some mail programs cannot ask you
- Creating a Hosts File Entry WordPress · Migration — If you wish to access your website before your DNS has been updated you can update your local hosts file, which will allow your computer to view your new website. Follow the appropriate instructions b
- Creating a Zimbra SPF record Email · Configuration — To create an SPF record that authorises emails to be sent from Zimbra, follow these instructions: Locate the SPF Record Details Step 1: Login to the CRUX control panel and click on 'Products' at the t
- Customising Zimbra with Zimlets and skins Email · Features — Which Zimlets we support, and what happens when you ask for a custom one. Zimlets add features to Zimbra, and skins change how it looks. We support a number of Zimlets on the platform already, and you
- Debugging the Dreaded White Screen of Death WordPress — It’s called ‘The White Screen of Death’ for a reason. If you are here, you probably know why. This is normally caused by PHP hitting an error and stopping, as by default there's no P
- Default Blocked File Attachments Email · Spam filtering — What file attachments are blocked by default? To view what file attachments are being blocked by Zimbra mail, you can do the following. Step 1. Login to the Control Panel and under 'Your Customers' cl
- Deleted items when using IMAP Email · Troubleshooting — Why the messages you delete stay in your mailbox until you purge them. IMAP keeps your mail on the server so that every device sees the same mailbox. Deleting a message does not remove it straight awa
- Deleting a mailbox that is a domain administrator Email · Features — Why the delete option is greyed out, and how to release the mailbox so you can remove it. A mailbox set as Domain Administrator cannot be deleted while it holds that role. The delete option stays grey
- Development Mode and Switching your Site to "Live" WordPress · Migration — When you are provisioning your WordPress site using the Control Panel, “Enable development mode” is selected by default. Selecting Development Mode during site provisioning If you leave th
- Do You Support Git? WordPress — Yes, we do support git! You can “git push” your local repositories to your Pendeo site just like you might do with bitbucket, github or any other git based version control system. Git bran
- Email limits Email · Features — The message size, recipient, mailbox and retention limits that apply to your email service. Message size The largest message the system accepts is 50MB, including all attachments. Recipients on a sing
- Email Security Manual Email — This manual is for administrators of the Email Security service. It covers provisioning, configuring and running the filtering that protects your domain. The service sits in front of a mail system you
- First Steps with Your WordPress Site WordPress — Your shiny new site is ready to go. Now what? We have a couple of recommendations that will help you get started with your site: 1: Enable “pretty” permalinks under: Settings -> Permali
- Getting Started: WordPress Hosting WordPress — In this article you will learn: How to set up your account Provision your first product Learn a bit more about the control panel How to retrieve your login credentials for your server and your databas
- How often is my site backed up? WordPress — Your site is snapshotted every day, and you can restore it yourself from the WordPress admin. A snapshot captures the whole site, both your files and your database, and one is taken every day. That gi
- How to blacklist a sender's email address Email · Spam filtering — This article shows you how to blacklist individual emails using the sender's email address - and also how to blacklist all emails from a particular sending domain. Step 1. Login to the Control Panel a
- How to change your WordPress Database Table Prefixes WordPress — Changing your WordPress table name prefixes may be required during a migration. Many installations of WordPress use a table prefix of ‘wp_’. Tables beginning with a known prefix like wp_,
- How To Clear Autocomplete in Cache in Outlook Email · Troubleshooting — Microsoft Outlook caches a list of email addresses/nicknames that you’ve had previous correspondence with, allowing Outlook to autocomplete new email messages with the cached entries. Issues can
- How to create a Zimbra distribution list From the Control Panel Email · Features — To send a single email to multiple users on a mailing list, you will need to create a distribution list. Step 1. Login to the Control Panel and under 'Your Customers' click on the customer's account y
- How to enable Internal Impersonation Protection Email · Spam filtering — This article shows you how to enable Internal Impersonation Protection using Sender Policy Framework. Sender Policy Framework (SPF) is a validation system designed to prevent email spoofing - by verif
- How to export (dump) your WordPress database WordPress · Migration — You will need to know: your sFTP username and password – check the Control Panel your Database Admin URL – check the Control Panel your database username and password – this can be f
- How to export from PHPMyAdmin WordPress · Migration — The following shows you how to export from PHPMyAdmin Step 1 – Select database Step 2 – Click Export Step 3 – Choose Custom export Step 4 – Save to a file Step 5 – Select
- How to find the MX records you should use for your domain Email · Configuration — This article applies to users of any email services which requires that your domain’s MX records are changed to point to us. Read on to find out how to locate the MX records you should use for y
- How to find your email headers Email · Troubleshooting — How to open the full headers of a message, which support may ask for when tracing a delivery problem. The headers record every server a message passed through. They have to come from the message in yo
- How to find your Login Credentials WordPress — This article will walk you through locating your sFTP details, WP Admin and your site’s database credentials. You will need: your Pendeo username and password access to an sFTP client ( see belo
- How to Flush Your Local DNS Resolver's Cache WordPress — If your computer cannot reach a certain website this could be because your local DNS resolver’s cache contains an outdated record. For example, you updated your DNS records to point to our WordP
- How to locate your hosting server IP address WordPress — If you are updating your DNS, you’ll need to know the IP address of the server which hosts your website. To work out which server IP address to use, login to the Control Panel and locate your DN
- How to Reset Your WordPress Admin Password WordPress — If you cannot login to the WordPress administration page because you have lost your password: Step 1: Click on the 'Lost your password' link Step 2: On the next screen - enter your username or email a
- How to Setup Zimbra OOO (out of office) Replies Email · Features — To setup an automated reply to emails while you are away. Step 1: Login to Zimbra Webmail and go to Preferences: Step 2: Click on 'Out of Office' Step 3: In the 'Out of Office' dialog select 'Send aut
- How to whitelist a sender's email address Email · Spam filtering — This article shows you how to whitelist individual emails using the sender's email address - and also how to whitelist all emails from a particular sending domain. Step 1. Login to the Control Panel a
- I've been sent an email with an attachment and it’s being quarantined Email · Spam filtering — Email attachments matching a list of file types which are known to allow Malware to be installed onto your computer are blocked. This includes file types which are within Zip files. The list of blocke
- Imapsync Email · Migration — Migration to Zimbra using IMAPSync Imapsync is a command line tool that can transfer mail between mailboxes on different servers using IMAP. The software can be run from Linux or Windows – pleas
- Improving your WordPress SEO WordPress — The few things that make the most difference to how your site ranks. WordPress covers the basics of search engine optimisation on its own. It builds clean page addresses and generates a sitemap for se
- Installing the Zimbra Connector for Outlook (ZCO) Email · Configuration — Where to download the Zimbra Connector for Outlook, which lets classic Outlook work with your Zimbra mailbox. Download the connector from Zimbra directly, at zimbra.com/product/download . The installe
- Issues with the sender’s server Email · Troubleshooting — If your correspondent’s email server is overloaded or has a configuration problem, or a ‘relay’ server they make use of has a problem, then this can cause emails they send you to be delayed. How to fi
- Keeping your mailbox safe Email · Configuration — The handful of things that protect your mailbox, and where each one is set. Most mailboxes are compromised through a weak or reused password rather than anything sophisticated. The steps below deal wi
- Learning WordPress WordPress — Where to learn WordPress, from your first login to running a site day to day. WordPress is documented well, and most questions you will have are answered in one of the places below. These are the reso
- Managing your mailboxes Email · Features — How to add, edit and remove the mailboxes on your domain, all from the control panel. Everything needed to manage your mailboxes is in the control panel. There is no separate administrator interface t
- Migrating mail into Zimbra Email · Migration — How to choose a way of moving mail into Zimbra, and what each one suits. How you migrate depends on where the mail is now and how much of it there is. All the routes below end the same way, with your
- Migrating Your WordPress Site WordPress · Migration — If you already have a working WordPress site that you wish to move to Pendeo, this guide will explain how to move it. Overview Prepare your existing site Import your database to Pendeo Update the $tab
- Moving from Exchange to Zimbra Email · Migration — What moving from Exchange to Zimbra involves, and why the first step is to ask us. How you move from Exchange depends on the version you run, whether it is on your own hardware or hosted, and how much
- Moving mail into Zimbra from another mailbox Email · Migration — How to bring the contents of an old mailbox into your Zimbra account. Zimbra can connect to your old mailbox and pull its messages in for you. You then move them into your own folders and disconnect t
- Moving some mailboxes before others Email · Migration — Whether you can move part of a domain to Zimbra and leave the rest on Exchange for now. Yes. A staged migration lets both systems hold mailboxes on the same domain while you work through them, so you
- No Bounce Back to Sender, but Email hasn't Arrived Email · Troubleshooting — The sender hasn’t had a bounce back, but they’ve contacted you and established that you don’t have the email How to fix it: Check your junk folder – is it there? Check your ema
- Preventing a WordPress crisis WordPress — What to do before something goes wrong with your site, and what to do when it already has. Most WordPress problems come from a few causes. An update breaks a page, a login is compromised, or an edit r
- Problems with your destination server Email · Troubleshooting — If you are using our Email Security service for spam and virus filtering, our system will be forwarding your emails to your in-house mail server. Your mail server could have a configuration problem –
- Protecting your domain from spoofing with SPF, DKIM and DMARC Email · Configuration — How to stop other people sending scam email that appears to come from your domain. Anyone can put your domain in the From address of a message they send. Three DNS records let receiving mail servers t
- Protecting your WordPress website WordPress — The protections we provide, and the ones only you can put in place. Security works as a series of layers, each one closing off a route an attacker might take. We provide the layers underneath your sit
- Reaching the Zimbra directory from outside Email · Features — Whether you can query the Zimbra LDAP directory from your own network. No. The LDAP directory is reachable only from inside the platform, and we cannot open it to external addresses. The platform is s
- Reaching your mailbox on the web Email · Features — Where to sign in to webmail, and the two interfaces you can choose between. Your webmail address was given to you when your mailbox was set up. If you no longer have it, contact support and we will co
- Reading your mail offline when using IMAP Email · Features — How to read messages that live on the server when you have no connection. IMAP keeps your mail on the server, and your mail program downloads messages as you open them. Without a connection, anything
- Removing duplicate messages Email · Troubleshooting — How to find and delete duplicate messages in a mailbox. Duplicates usually turn up after folders have been merged, or after a mail program has downloaded the same messages more than once. Zimbra has n
- Removing the WordPress admin user WordPress — Why the default administrator account is worth deleting, and how to replace it safely. Brute force attempts nearly always target the username admin , because it was the default administrator name in o
- Requesting a Zimbra feature Email · Features — How to ask Zimbra for a feature, and get it counted. Zimbra is not our software, so new features are not ours to add. What we can do is back a request you have made, and one with weight behind it trav
- Restricting access to your website WordPress — How to keep a site private while you build it, or limit it to people who have signed in. WordPress shows your site to everyone by default. The Discourage search engines option under Settings, then Rea
- Rules for spam filtering in Microsoft Outlook Email · Spam filtering — How to create rules to filter spam emails in Microsoft Outlook? We recommend that you create a new folder called “Spam” in the mailbox. You will then need to create a server side rule in O
- Sending a newsletter Email · Features — Your system restricts sending to more than 100 recipients in a single email. How do I send an email to my mailing list? We restrict the sending of an email to more than 100 recipients in order to help
- Sending as another address, or on behalf of someone else Email · Features — How to send from a shared address such as sales@, and how to let a colleague send from yours. Zimbra separates two things that are easily confused. A persona lets you send from another of your own add
- Sent messages when using IMAP Email · Troubleshooting — Why a message you sent from one device does not appear on the others. IMAP keeps your mail on the server, so every device shows the same folders. Sent messages are the usual exception. Many mail progr
- Setting up autodiscover Email · Configuration — How to publish the two DNS records that let a mail program find its own settings. With autodiscover set up for your domain, a mail program finds the server settings by itself. Everyone then adds their
- Setting up Two-Step Authentication (2FA/MFA) Email · Configuration — Setting up Two-Step Authentication (2FA/MFA) Step 1 Login to Webmail with your current password, Step 2 Go to Preferences -> Accounts -> Primary Account Settings and then Go to 'Account Security
- Setting up your phone or tablet Email · Configuration — How to add your mailbox to an iPhone, iPad or Android device, so mail, calendar and contacts stay in step. Phones and tablets connect to the service over Exchange ActiveSync, which syncs mail, calenda
- Sharing folders, calendars and contacts Email · Features — What you can share, who you can share it with, and how much they are allowed to do. Sharing is not limited to calendars and contacts. You can share any mail folder, calendar, address book or task list
- Sign-in is rejected as wrong username or password Email · Troubleshooting — What to check when webmail says your username or password is wrong. Work through these in order. The last two cover the cases where the details are right but sign-in still fails. Check the username. I
- Some emails arrive, some do not Email · Troubleshooting — If the sender received a bounce message, read the possible causes . If they did not receive a bounce message and some of their messages arrive, whilst others don’t, possible causes are as follows. How
- Switching between the modern and classic web app Email · Features — Zimbra offers two interfaces, and you can move between them whenever you like. The modern web app is what you get by default. The classic web app is the older interface, and some people prefer it beca
- The Best Option for Email Subscriptions with WordPress WordPress — The best option is to use MailChimp to manage your email subscriber lists and also to send the emails. There are plugins that can integrate with your MailChimp account but even that is unnecessary if
- The Email Bounced Back to the Sender Email · Troubleshooting — The sender received an error from our system saying an email wasn’t delivered for one of the following reasons: 1. Address does not exist How to fix it: The sender typed your email address incor
- Training the spam filter Email · Spam filtering — How moving a message into or out of your Junk folder teaches the filter, and how much difference one message makes. Marking a message as spam, or as not spam, feeds the filter. It learns from what you
- Understanding Email Headers Email · Troubleshooting — Received emails contain details of the path they took to arrive along with many other details – this information is contained in the Email Headers. Email Headers are often essential to diagnose
- Understanding Why an Email is Marked as Spam Email · Spam filtering — All emails which pass through the filtering system are evaluated against hundreds of different rules, each of which has a weighting based on the probability that the rule indicates spam. Each email is
- Unknown sender delay (greylisting) Email · Features — If this is enabled on your domain then our system will deliberately delay emails from unknown senders for a short time – normally only a few minutes. The exact time depends on the sending server. This
- Uploading and downloading files in Zimbra Briefcase Email · Features — How to get files into and out of Briefcase, the file store built into Zimbra webmail. Briefcase holds files alongside your mail, so they are reachable from any device you sign in from. It replaced Zim
- Using shared calendars on a Mac or iPhone Email · Configuration — How to see and edit a calendar somebody has shared with you, on macOS and on an iPhone or iPad. Apple’s Calendar app reaches Zimbra over CalDAV. On a Mac that gives you full use of calendars shared wi
- Using Zimbra in another language Email · Features — How to change the language webmail is displayed in. Each person sets their own language, so one mailbox can be in French while another on the same domain is in English. Open Preferences, then General.
- When spam reaches your inbox Email · Spam filtering — Why some spam gets through, and what to do about it. No filter catches everything. What reaches you usually falls into one of two cases, and the useful response differs between them. A new spam campai
- When will my WordPress core get updated? WordPress — WordPress periodically releases maintenance updates. These are typically for significant bug fixes or security issues. Since these upgrades might have security implications, and because WordPress&rsqu
- Why am I receiving a lot of unwanted email? Email · Spam filtering — How to tell whether the filter is missing the mail entirely or delivering it as suspect, and what to do in each case. The answer depends on what the filter made of the messages, and you find that out
- Why are emails to new email addresses I just set-up still bouncing? Email · Troubleshooting — If emails to new accounts are bouncing, first check that the address is correct and that the account exists. NB - Our MX caches valid and invalid email addresses for performance reasons. If you tried
- Why suspect mail is not moved into my Junk folder Email · Spam filtering — Why a message you think is spam stayed in your Inbox. There are two explanations, and they need different answers. The filter did not consider it spam Nothing moves a message the filter judged clean.
- Why you should not drag and drop mail into Zimbra Email · Migration — Why dragging mail from Outlook into Zimbra loses messages, and what to do instead. A common approach is to drag messages, contacts or calendar entries from an old profile or a PST file into Zimbra thr
- Why your browser says the connection is not secure in webmail Email · Troubleshooting — Why the padlock changes while you are reading mail, even though webmail's certificate is fine. The warning is about the page you are looking at, not about the server. Webmail is served over an encrypt
- Working On Your New WordPress Site Before Updating DNS WordPress · Migration — Whether you are a first time WordPress user or not you may need to create your new WordPress site while your existing site continues to run. If you immediately update your DNS settings to point to Pen
- You changed your password and still cannot sign in Email · Troubleshooting — Why a new password sometimes fails right after you set it. Changing your password can lock the mailbox for a short time. Every device still trying the old password counts as a failed attempt, and enou
- You receive a bounce message saying your email has not been delivered Email · Troubleshooting — There are a number of reasons why you might receive a Non Delivery Report: How to fix – User does not exist The Non Delivery Report tells you that the user (email address) does not exist. If ema
- You receive a notification saying your email has been delayed Email · Troubleshooting — Our server sends you a warning email similar to the following: Subject: Warning: message 1Zb92h-0002aX-BS delayed 2 hours Body: We are having trouble delivering your email because of an onward issue.
- Your correspondent received a bounce message but overlooked it Email · Troubleshooting — In this situation, someone sends you an email but receives a Non Delivery Report (NDR) which they overlook and then chase you for a response to the email you never received. The reasons for a NDR are
- Your correspondent says the email hasn’t been received yet Email · Troubleshooting — There are a number of reasons why emails sent by you are delayed: Our systems haven’t been able to deliver your email to the recipient's email server yet because of a transient problem. Our system wil
- Your mailbox is locked Email · Troubleshooting — Why a mailbox locks, and how to get back in without locking it again. A locked mailbox gives the same error as a wrong password, so the two are easy to confuse. To be sure, ask your administrator to c
- Your password has expired Email · Troubleshooting — What the password-expired screen means, and how to set a new password. Passwords are set to expire after a time. When yours does, Zimbra shows this screen the next time you sign in, and you cannot rea
- Zimbra Connector for Outlook (ZCO) sync failure notices Email · Troubleshooting — What a Local Failure Notice or Server Failure Notice from the Outlook connector means, and how to clear it. The Zimbra Connector for Outlook sends these to your own inbox when it cannot synchronise so
- Adding a disclaimer to outgoing email How to add a standard disclaimer to every message your domain sends. You can append a disclaimer to all outgoing email and manage the wording yourself in the Control Panel. It applies to every message
- API Is there an API (application programming interface) available? Yes, almost all of Zimbra is exposed via SOAP and REST URL’s. We suggest you start by reviewing the following articles: https://wiki.zimb
- Archiving your mail The two meanings of archiving: freeing space in your mailbox, and keeping a permanent record of everything. People ask for archiving to solve one of two different problems. One is a mailbox that is ru
- Backups in Zimbra 10 Zimbra are making significant changes to the way backups in Zimbra 10 onwards are working. The following details relate to how backups and restores work on the Protected Service platform going forward
- Customising Zimbra with Zimlets and skins Which Zimlets we support, and what happens when you ask for a custom one. Zimlets add features to Zimbra, and skins change how it looks. We support a number of Zimlets on the platform already, and you
- Deleting a mailbox that is a domain administrator Why the delete option is greyed out, and how to release the mailbox so you can remove it. A mailbox set as Domain Administrator cannot be deleted while it holds that role. The delete option stays grey
- Email limits The message size, recipient, mailbox and retention limits that apply to your email service. Message size The largest message the system accepts is 50MB, including all attachments. Recipients on a sing
- How to create a Zimbra distribution list From the Control Panel To send a single email to multiple users on a mailing list, you will need to create a distribution list. Step 1. Login to the Control Panel and under 'Your Customers' click on the customer's account y
- How to Setup Zimbra OOO (out of office) Replies To setup an automated reply to emails while you are away. Step 1: Login to Zimbra Webmail and go to Preferences: Step 2: Click on 'Out of Office' Step 3: In the 'Out of Office' dialog select 'Send aut
- Managing your mailboxes How to add, edit and remove the mailboxes on your domain, all from the control panel. Everything needed to manage your mailboxes is in the control panel. There is no separate administrator interface t
- Reaching the Zimbra directory from outside Whether you can query the Zimbra LDAP directory from your own network. No. The LDAP directory is reachable only from inside the platform, and we cannot open it to external addresses. The platform is s
- Reaching your mailbox on the web Where to sign in to webmail, and the two interfaces you can choose between. Your webmail address was given to you when your mailbox was set up. If you no longer have it, contact support and we will co
- Reading your mail offline when using IMAP How to read messages that live on the server when you have no connection. IMAP keeps your mail on the server, and your mail program downloads messages as you open them. Without a connection, anything
- Requesting a Zimbra feature How to ask Zimbra for a feature, and get it counted. Zimbra is not our software, so new features are not ours to add. What we can do is back a request you have made, and one with weight behind it trav
- Sending a newsletter Your system restricts sending to more than 100 recipients in a single email. How do I send an email to my mailing list? We restrict the sending of an email to more than 100 recipients in order to help
- Sending as another address, or on behalf of someone else How to send from a shared address such as sales@, and how to let a colleague send from yours. Zimbra separates two things that are easily confused. A persona lets you send from another of your own add
- Sharing folders, calendars and contacts What you can share, who you can share it with, and how much they are allowed to do. Sharing is not limited to calendars and contacts. You can share any mail folder, calendar, address book or task list
- Switching between the modern and classic web app Zimbra offers two interfaces, and you can move between them whenever you like. The modern web app is what you get by default. The classic web app is the older interface, and some people prefer it beca
- Unknown sender delay (greylisting) If this is enabled on your domain then our system will deliberately delay emails from unknown senders for a short time – normally only a few minutes. The exact time depends on the sending server. This
- Uploading and downloading files in Zimbra Briefcase How to get files into and out of Briefcase, the file store built into Zimbra webmail. Briefcase holds files alongside your mail, so they are reachable from any device you sign in from. It replaced Zim
- Using Zimbra in another language How to change the language webmail is displayed in. Each person sets their own language, so one mailbox can be in French while another on the same domain is in English. Open Preferences, then General.