You can integrate your Mailfence account into Thunderbird using SMTP and IMAP/POP. This feature is available in paid plans.
If you are using custom domain based address, then make sure that you have configured auto-configuration for your domain.
- Open your Thunderbird client.
- Go to File -> New -> Existing Mail Account.
- Enter your Mailfence account Display name, Email address and Password.
- Keep Remember password checked (optional).
- Select IMAP or POP3.
- Click on Done.
Configuration settings for SMTP, IMAP and POP for your Mailfence account can be found in your account Settings -> Account -> My connection settings.
You can also sync Mailfence Contacts and Calendar events with CardDAV and CalDAV or using Exchange ActiveSync. Mailfence Group member chat function can also be configured using XMPP.