[RCU] Failed login error 4
stephansfourie at gmail.com
Mon Dec 7 13:10:55 CET 2020
I'm struggling to troubleshoot an intermittent issue whereby a user cannot
login to their mailbox via Roundcube. Other users on the same domain can
login. The log entry I'm seeing is:
Failed login for redacted at redacted from redacted-IP in session
redacted-session-id (error: 4)
I'm able to access the mailbox via IMAP using other email clients and via
telnet from the server where Roundcube is installed which rules out
firewall, fail2ban etc.
I've also been scouring the internet trying to determine what exactly an
"error: 4" is, but I haven't found any useful information. Can anyone
assist with a description of what "error: 4" is?
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