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Thunderbird Events - Organizer has default domain of @internal

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  • Last reply by det1059

det1059
det1059
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When I create a new event by right-clicking on a day on the monthly calendar and then "Invite Attendees" I see in the new pop-up dialog that the organizer of the event has the illegal domain address of "@internal". The attendees receive their invitations but the .ics contains the line

ORGANIZER;PARTSTAT=NEEDS-ACTION;CUTYPE=INDIVIDUAL;SENT-BY="mailto: 

<redacted>":mailto:<redacted>@internal

Since <redacted>@internal is an illegal email address the attendee cannot respond to the invitation either in the affirmative or negative.

How can I change the default domain of the organizer to the email address of the user creating the event? I have searched through all the settings I can find no mention of @internal there or in the documentation on the web.

I have been testing on my Win 8.1 system and Thunderbird 115.16.2 (32-bit), which is the most advanced available. The people I work with experience the same behavior with Thunderbird 128.3.0 on Win 10 and Win 11.

When I create a new event by right-clicking on a day on the monthly calendar and then "Invite Attendees" I see in the new pop-up dialog that the organizer of the event has the illegal domain address of "@internal". The attendees receive their invitations but the .ics contains the line ORGANIZER;PARTSTAT=NEEDS-ACTION;CUTYPE=INDIVIDUAL;SENT-BY="mailto: <redacted>":mailto:<redacted>@internal Since <redacted>@internal is an illegal email address the attendee cannot respond to the invitation either in the affirmative or negative. How can I change the default domain of the organizer to the email address of the user creating the event? I have searched through all the settings I can find no mention of @internal there or in the documentation on the web. I have been testing on my Win 8.1 system and Thunderbird 115.16.2 (32-bit), which is the most advanced available. The people I work with experience the same behavior with Thunderbird 128.3.0 on Win 10 and Win 11.

All Replies (1)

det1059
det1059 Question owner
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I've figured this out. The problem's source does not lie in Thunderbird's calendar but back in the Cyrus-Imap software for storing email and calendars. When setting up calendars in that software you need to have the line "virtdomains: userid" in your /etc/imapd.conf. When doing that the default domain name is "internal" which does not seem to be very useful.

To get a useful default, also add a "defaultdomain: mydomain.com" to the configuration file, with "mydomain.com" replaced by your domain name. After making this change you need to restart the imap daemon and restart every instance of Thunderbird.

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