Most postfix relay access denied related news are at:
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More postfix relay access denied related news:
Remove internal hosts in postfix zcentric.com 15 Apr 2013 | 12:21 pm
A proper way to setup your network is to have a postfix relay server sitting somewhere on your network that every other server has access to via port 25. Now your relay server(s) are the only ones tha...
Postfix SMTP Authentication and Dovecot SASL for RHEL/CentOS 6 linuxmail.info 1 Aug 2011 | 12:28 am
SMTP Authentication (SMTP Auth) provides an access control mechanism that can be used to allow legitimate users to relay mail while denying relay service to unauthorized users, such as spammers. Conf...