Dear hefee, Thank you for your answer. O.k. you gave me an interesting 'homework' (I learned a lot meanwhile, because i am just an ONU (Otto normal user) My logfiles are here: https://paste.debian.net/1233928/
I hope I have done all the right way - I studied the logfiles but cannot really see any error - although I think not to understand everythin in de log. My ISP is: A1.net IMAP-Server: securemail.a1.net SSL/TLS : 993 Authentification: LOGIN (looked up from Kmail) Are you able to assist ? Thanks a lot Greetings from Austria Am Freitag, 11. März 2022, 11:29:47 CET schrieb Hefee: > Hey, > > you may want first get the log of the whole IMAP communication, than you > better see in what part it gives you the error: > https://techbase.kde.org/KDE_PIM/Akonadi/Debug_IMAP > > Regards, > > hefee > > -- > > On Montag, 7. März 2022 20:30:52 CET Herbert Schwarzer wrote: > > Further comment of mine (analysis) to narrow down the problem: > > 1. All emails are fetched from my mailserver (at my service-provider > > aon.at)> > > 2. Difference of IMAP-Server settings: > > within Kmail it is: securemail.a1.net > > within Thunderbird it is: smail.a1.net > > o.k.--> Thunderbird does NOT produce the error "Mail-Server response: > > A000002 NO Authentication failed > > > > 3. So therefore I changed Kmail IMAP-Server to: smail.a1.net > > > > Result: Until NOW the error message does NOT appear > > Oh wait - just when typing this mail I get the error-message TOO > > > > although 'smail.a1.net' is active > > > > Interesting: Official documentation of my service-provider for > > implementing email-account does NOT indicate 'smail.a1.net" (!!) > > > > Now I try as imap-server: imap.a1.net with port: 143 (out of official > > doc > > of A1.net-Provider > > > > Am Sonntag, 6. März 2022, 13:54:37 CET schrieb Herbert Schwarzer: > > > Additional comment: > > > Now I have installed MATE-Desktop in Debian 11 a n d configured > > > <thunderbird> as mail-client alternative solution -> no such message. > > > (all messages are fetched from my mail-server / as with Kmail too :) ). > > > > > > Herbert > > > > > > Am Sonntag, 6. März 2022, 11:16:42 CET schrieb Herbert Schwarzer: > > > > Dear Debian-community, > > > > > > > > irregularly an x-window pops up with message: > > > > /The server (my e-mail-server at my standard internet-provider) > > > > rejected > > > > the user-name and the password. Login failed. Server response is: > > > > A000002 > > > > NO Authentication failed./ BUT nevertheless my mail-client (Kmail) d > > > > o > > > > e s receive every message. Serveral attempts by myside to locate the > > > > error - believed that problems in Debian 11 with > > > > kontact/kmail/akonadi/ > > > > could be the reason. > > > > Anyway distribution-tests in my VM (Debian testing / Debian oldstable > > > > / > > > > Manjaro) lead to the same message. > > > > So can I find the reason within my Debian 11 bullseye o r is this > > > > is > > > > a > > > > special behaviour within the mailserver at my provider ( A1.net in > > > > Austria) > > > > This only appears within Linux - my (dual-boot) Windows 10 or my > > > > smartphone-app runs without such message ! > > > > > > > > Any help / tips appreciated. > > > > Greetings Herbert