From: Andrew Long (alongescapewire.com)
Date: Wed Oct 10 2007 - 07:53:35 CDT

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running postfix-2.3.3-2 on CentOS 5, I am looking to have this host
receive mail for local users FROM all machines on the same subnet
(domain = escapewire.local) 192.168.10.x..

I had this working but now I am getting
relay denied errors and am unsure where I goofed. Note: some of
the local machines may send mail with FROM = escapewire.com as they
have that tld in their hostname. Below is the output of postconf -n,
please let me know if more info is needed.

Aside: I am also looking for a good "current" howto on setting up
postfix with encryption, imap, pop, and virtual users. I am open
to whatever packages are suggested, ie dovecot, etc... There will only
be about 30 vusers max, so I don't think(?) a db backend is needed.

--- postconf -n ---
alias_database = hash:/etc/postfix/aliases
alias_maps = hash:/etc/postfix/aliases
command_directory = /usr/sbin
config_directory = /etc/postfix
daemon_directory = /usr/libexec/postfix
debug_peer_level = 2
html_directory = /usr/share/doc/postfix-2.4.5-documentation/html
mailq_path = /usr/bin/mailq.postfix
manpage_directory = /usr/share/man
mydestination = $myhostname, localhost.$mydomain, localhost, $mydomain
myhostname = authorization.escapewire.com
mynetworks = 192.168.10.0/28, 127.0.0.0/8
newaliases_path = /usr/bin/newaliases.postfix
readme_directory = /usr/share/doc/postfix-2.4.5-documentation/readme
relay_domains = $mydestination
sample_directory = /etc/postfix
sendmail_path = /usr/sbin/sendmail.postfix
setgid_group = postdrop
unknown_local_recipient_reject_code = 550
---

Regards,
Andrew

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