Dear Pros.
The following is my setup
H.O
^
|
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point
to
point
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Postfix <---> Firewall <---> External Mail Hosting
Mail Server
Postfix Mail Server (postfix-2.3.3-2) on CentOS 5.2;
a. receives mails from local client via outlook and send to out side (internet)
directly
b. receives through fetchmail program, which fetches from External mail hosting
c. NO ANTI SPAM
d. smtpd_recipient_restrictions is working for both internal and external mails
(fetchmail).
e. average 3500 mails are processed per day in mail server (send+receive) and
the total volume is average 3.2 GB (2.8 GB min and max 3.6 GB)
As our mails from H.O is getting delayed through fetchmail (more than 100
users), i was thinking to re route the messages from H.O to this branch office
through our point to point link. So in this case my doubts are;
1. in this case, i need to configure spamassasin on the Postfix Mail Server
right??? instead of simply leaving it like this.
2. I found so many links which explains configuring spamassasin on Postfix
server, but many of them are going in diff ways with diff versions and
distributions. can u please suggest me a most suitable link for my requirement.
3. Do i need to take any other precaution for my postfix server (as 60 - 70 %
of mails to this branch is from Head Office) while i starting to recieve it
through point-point (there is no firewall in this connection)
4. do i need to put an additional smtp server with spamassasin to receive mail
through point-point for a better secure and stable environment.
5. does this spam assasin will effect my smtpd_recipient_restrictions which is
currently working fine on my postfix server
Thanking you people in advance...
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Always try to find truth!!!
