Originally Posted by till
Then you will have to reconfigure your mail system to allow email addresses as username for pop3 and smtp in general by either switching to dovecot as pop3 mail server or by installing several patches to allow usernames with @ inside for courier.
Additionally, the configuration changes will most likely not affect any users craeted before you installed the patches.
Well, is there any step-by-step how-to, or maybe additional documentation on this process?
I think it would be a very useful feature to let the mail users login with their mail address.
Thanks for your work