how i can perfect integrade reject_sender_login_mismatch in ispconfig 3 (postfix)?
i have added the function like this post:
all working fine but if i Login on the mailserver via roundcube with the username and password and want send mail, i get the error:
SMTP-Error (553): 5.7.1 <E-Mail@domain.com>: Sender address rejected: not logged in.
And if i Forward from another Server (with the same Domain), i get exact the same eror...
can anybody help me?
thanks many greets