Postfix: dynamically rewrite server name depended on senders domain
49281
"Masquerade" mail sender on a multi-domain shared hosting
68370
Make `hostname -f` return fully qualified hostname
132164
Reintroduce $HTTP_POST_VARS in PHP 5.3
45859
How to edit known_hosts when several hosts share the same IP and DNS name?
18168
How do I make protocol foo hostname-aware?
151957
Postfix: disable authentication through port 25
59661
Top level domain/domain suffix for private network?
147580
Redirect to other domain but keep typed domain
50437
How to get the base domain name from an URL using PHP?
153848
change the static IP address to domain name
16586
Overriding some DNS entries in BIND for internal networks
155494
Configure postfix to send and receive to and from localhost
126511
postfix relay based on origin
75379
What simpler mail server can I use instead of postfix?
59494
What is the canonical name for domain names with extra parts?
134891
How does pointing a CNAME on my domain to a service-provider's server enable them to offer customized services?
108379
How to validate domain name in PHP?