(In reply to Freek de Kruijf from comment #5) > nov 25 12:03:08 eiktum auth[6627]: pam_kwallet5(dovecot:auth): pam_kwallet5: > Fail into creating the hash I'm not sure what kwallet tells you with this error message, but it's probably unrelated (I'd _guess_ it happens when fetching the password from the wallet, before using it for imap login) > nov 25 12:03:08 eiktum dovecot[2008]: imap-login: Login: user=<freek>, > method=PLAIN, rip=::1, lip=::1, mpid=6629, secured, > session=<0QdHncxeqqEAAAAAAAAAAAAAAAAAAAAB> That looks like a successful imap login. > nov 25 12:04:09 eiktum dovecot[1640]: master: Error: service(auth): > kill(3207, SIGINT) failed: Permission denied Might be a missing signal rule, but (assuming my guess is right) you should see DENIED messages for it in audit.log. If you see this again, please check (using ps Zaux) which process is running under the mentioned pid (3207 in your log line). Hmm, maybe you hit bug 1069562. The kernel with the fix is currently building in Kernel:HEAD - feel free to test as soon as 4.14.2 appears on http://download.opensuse.org/repositories/Kernel:/HEAD/standard/