Gor ony writes:
What I can't piece together is how to debug the break between authlib saying "Valid user" and "exec(imap/pop3) Failed".Thanks,
Find the pid of the couriertcpd pid that's listening on the imap port, you seem to be trying imap-ssl, so that will be port 993:
# /sbin/fuser -n tcp 993 993/tcp: 803 So that's PID 803, in my case. Attach strace to that process: # strace -f -o /tmp/strace.log -s 256 -p 803 Process 803 attachedThe attempt to make a connection. After it fails, you can kill strace with CTRL-C.
The log file will be a little bit large, you can grep it for clues: ]# fgrep execve /tmp/strace.log336 execve("/usr/lib/courier-imap/bin/couriertls", ["/usr/lib/courier- imap/bin/couriertls", "-server", "-tcpd", "/usr/lib/courier- imap/sbin/imaplogin", "/usr/lib/courier-imap/bin/imapd", "Maildir"], [/* 58 vars */]) = 0 337 execve("/usr/lib/courier-imap/sbin/imaplogin", ["/usr/lib/courier- imap/sbin/imaplogin", "/usr/lib/courier-imap/bin/imapd", "Maildir"], [/* 59 vars */]) = 0 337 execve("/usr/lib/courier-imap/bin/imapd", ["/usr/lib/courier- imap/bin/imapd", "Maildir"], [/* 63 vars */]) = 0 343 execve("/usr/libexec/gam_server", ["/usr/libexec/gam_server"], [/* 66 vars */] <unfinished …>
This is how it would look like for a successful login. Do you have SELinux turned on? If it's on, try turning it off.
pgp8rr0mA4hW1.pgp
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