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Old 08-07-2007, 08:15 AM   #1
csdhiman
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Registered: Mar 2007
Posts: 47

Rep: Reputation: 15
Postfix mail queue problem


I am using Postfix on rhl9.0
I am facing problem related to mail queue on server
may be it is due to spam mails it was 13225 when i checked. so the mails are so slow

in postfix main.cf
default_process_limit is 900
smtpd_timeout = 300s


when i use command
# netstat -an |grep <Server ip>:25 |grep ESTABLISHED

then there was 250 ESTABLISHED connections
when i telnet on server's 25 port then it give response after 10 seconds


what this outut means ,is it due to spam ?

pls sugest
 
Old 08-07-2007, 08:32 AM   #2
gani
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Registered: Jun 2004
Location: Metro Manila, Philippines
Distribution: OpenBSD, Slackware, XP
Posts: 347

Rep: Reputation: 31
Try to add the lines below in your main.cf and this will greatly limit/reject connections from spammers and at the same time add postgrey.

Code:
smtpd_helo_required = yes
smtpd_helo_restrictions =
        permit_mynetworks
        permit_sasl_authenticated
        reject_invalid_hostname
        reject_non_fqdn_hostname
-----
 
  


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