Re: Kmail - Sending Emails Unable

Hi Philippe,

Am Donnerstag, 22. Januar 2026, 14:53:38 Mitteleurop=C3=A4ische Normalzeit=
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schrieb [email protected]:
> =E2=80=8CHi
>=20
>=20
> Since updating KMail to version 6.6.1 ("25.12.1"), I can no longer
> send messages (this message is sent via the laposte.net website's
> utility). After a while, I get the following message: "Email sending
> failed. Message transport failed. The remote host closed the
> connection. Emails are sent via SMTP to the mail server." The problem
> is the same regardless of the mail server.
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> In the previous version of KMail, since the beginning of 2026, sent
> messages were successfully sent and received but did not appear in
> the Sent Items folder. I don't know what to do, especially since I've
> looked at the logs and I don't see anything unusual. Is there a way
> to trace the issue to get a starting point for a solution?

I encountered the same problem. The solution was to change the port for=20
the connection from 465 to 587. Actually, kmail can fix that=20
automatically for you if you let it figure it out on its own.


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Med v=C3=A4nliga h=C3=A4lsningar

Patrick Franz