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Setup Thunderbird: POP3/IMAP, SMTP and global ldap address book

iRedMail provides POP3S (POP3 over TLS), IMAPS (IMAP over TLS), SMTPS (SMTP over TLS) for receiving and sending emails by default.

Create new mail account

To create a new mail account with Thunderbird, please click menu: File -> New -> Mail Account.

Add your name, email address and password in this screen.

Click continue, it will detect IMAP and SMTP server automatically.

Note:

• Login username must be full email address. You may want to click Edit to ensure it is correct.
• If you want to use POP3 instead of IMAP, click "Edit" and change it to POP3 in this screen with port 110, STARTTLS.
• The automatic detection only works properly if the autoconfig/autodiscover DNS records have been created properly. More information about them can be found in tutroials:
  • Setup DNS records for autoconfig and autodiscover
  • Setup DNS records for your iRedMail server

Configure Thunderbird as POP3 client

Warning: Make sure you are using full email address as username.

Configure Thunderbird as IMAP client

Warning: Make sure you are using full email address as username.

Configure Thunderbird to send mail via SMTP

Menu: Tools -> Account settings... -> Outgoing server (SMTP) -> Choose the server you are using.

Warning: Make sure you are using full email address as username.

Use OpenLDAP as Global LDAP Address Book

IMPORTANT NOTE: Thunderbird won\'t show contacts in LDAP address book directly, but it works when you starting typing email address in recipient field while composing email.

Here we take Thunderbird 5.0 for example. Steps:

• Click Address Book in main Thunderbird window.
• In Address Book window, click menu File -> New -> LDAP Directory.

• In tab General:

  • Name: use whatever name you like. e.g. Global LDAP Address Book.
  • Hostname: IP address or hostname of your iRedMail server.
  • Base DN: Base dn of your domain in LDAP directory. Normally, it's domainName=domain.ltd,o=domains,dc=xxx,dc=xxx. For example, domainName=example.com,o=domains,dc=iredmail,dc=org.
  • Port Number: 389. Note: If you prefer to connect to OpenLDAP server over SSL, please check the Use secure connection (SSL) under same tab.
  • Bind DN: It's full LDAP dn of your mail account. Normally, it's mail=user@domain.ltd,ou=Users,domainName=domain.ltd,o=domains,dc=xxx,dc=xxx. For example: mail=john@example.com,ou=Users,domainName=example.com,o=domains,dc=iredmail,dc=org.

• In tab Advanced:

  • Don't return more than xxx results: depends on how many accounts stored in same domain, you may want to increase or descrease it. Default value in 100.
  • Scope: Subtree.
  • Search filter: (&(enabledService=mail)(enabledService=deliver)(enabledService=displayedInGlobalAddressBook)(|(objectClass=mailList)(objectClass=mailAlias)(objectClass=mailUser)))
  • Login method: Simple.

• Now switch to tab Offline, click button Download Now to test your settings. It will prompt to input password for this LDAP server, just type password of your mail account. With correct bind dn and password, it will display Replicated succeeded.

That's all.