Thunderbird is een gratis e-mailtoepassing die eenvoudig is in te stellen en aan te passen – en het zit vol met handige functies!

Thunderbird 78.6.1 is een tussentijdse uitgave voor het mailprogramma die vernieuwingen en verbeteringen brengt.





  • MailExtensions: browserAction, composeAction, and messageDisplayAction toolbar buttons now support label and default_label properties


  • Running a quicksearch that returned no results did not offer to re-run as a global search
  • Message search toolbar fixes
  • Very long subject lines distorted the message compose and display windows, making them unusable
  • Compose window: Recipient addresses that had not yet been autocompleted were lost when clicking Send button
  • Compose window: New message is no longer marked as “changed” just from tabbing out of the recipient field without editing anything
  • Account autodiscover fixes when using MS Exchange servers
  • LDAP address book stability fix
  • Messages with invalid vcard attachments were not marked as read when viewed in the preview window
  • Chat: Could not add TLS certificate exceptions for XMPP connections
  • Calendar: System timezone was not always properly detected
  • Calendar: Descriptions were sometimes blank when editing a single occurrence of a repeating event
  • Various printing bugfixes
  • Visual consistency and theme improvements


Besturing:  Alle versie’s van Windows, macOS, Linux
Licentie:  Freeware

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