M. Jolic writes:
When somebody uses (for ex.) outlook and the login is defined as:
use...@example.com (+ his password) we get this LOG:
Jul 1 22:10:37 HOST imapd-ssl: LOGIN, user=user1, ip=[xxx.xxx.xxx.xxx]
NOT user=use...@example.com ::: NO host-info!!!
File a bug report with microsoft. The IMAP mail client completely controls
the userid it sends to the server.