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[GH-ISSUE #2638] Unable to send mail from mailclient #1667

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opened 2026-02-27 11:18:28 +03:00 by kerem · 0 comments
kerem commented 2026-02-27 11:18:28 +03:00
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Originally created by @jhjacobs81 on GitHub (Oct 13, 2022).
Original GitHub issue: https://github.com/modoboa/modoboa/issues/2638

I remember i had this problem in the past, but i'm not sure what and how..

I setup a standard MODOBOA server on Debian 10, i can logon to the webmail and send email to everyone. But when i try to use Thunderbird i get an error: 550 5.1.1 recipient address rejected user unknown

does anyone have solved this?

Originally created by @jhjacobs81 on GitHub (Oct 13, 2022). Original GitHub issue: https://github.com/modoboa/modoboa/issues/2638 I remember i had this problem in the past, but i'm not sure what and how.. I setup a standard MODOBOA server on Debian 10, i can logon to the webmail and send email to everyone. But when i try to use Thunderbird i get an error: 550 5.1.1 recipient address rejected user unknown does anyone have solved this?
kerem closed this issue 2026-02-27 11:18:28 +03:00
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