Vladimir Dvorak wrote:
When the server is under mail load, these messages appears in logs:
(host 127.0.0.1[127.0.0.1] said: 450 4.4.1 Can't connect to 127.0.0.1
port 10025, Net::SMTP: connect: Operation not permitted (Operation not
permitted) at /usr/local/sbin/amavisd line 4323, <GEN4> line 839.,
MTA([127.0.0.1]:10025), id=63072-10 (in reply to end of DATA command))
When the load decreases, these messages are delivered.
I thing this is problem related to allowed system resources. Has anyone
met this problem ? How can I increase or where to tune system variables
? /etc/login.conf ?
You should adjust the delivery concurrency of postfix in master.cf to match how
many amavis/virus scanner tasks you are able to run on your system.
For example, if you limit amavis to three children, you should have this:
# virus scanning
scan unix - - n - 3 smtp
Remember that each amavis or virus-scanner process can require 30-50MB of RAM,
depending on just how big the email going by is...
--
-Chuck
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