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Slow smtp connection response when relaying through ironport C170/C160...

Ulrik Rosen
Level 1
Level 1

recently we have seen a slow response time when relaying from some servers through our C170/C160-kluster.

I ran a test program to send a simple message from an trusted client and resonse time were 20 seconds(!) to even get a prompt from the either of our two Iromport mailservers, and also an additional 20 seconds sending the actual text in the message.!!

What is the issue here, it should be much faster!!??

Normal mailflow is approx 2000-3000 messages per hour through the system and does not seem to be affected by the above behaviour

Someone to can hint me towards a solution?

Note. SSH logins are also extremely slow, login prompt are quick but after entering the username it takes about 15 seconds for the password prompt to appear. Related problem?

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