Matthias Hofer schrieb:
> So, is there a way for dovecot-{lda/lmtpd} to accept "user1 at mydomain.org" but checks for "user1" in the user
> DB?
Try username_format=%n so dovecot uses the username only:
http://wiki2.dovecot.org/Variables
passdb {
driver = passwd-file
args = scheme=PLAIN username_format=%n /etc/dovecot/mypasswd.file
}