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cmoates's avatar
cmoates
Icon for Nimbostratus rankNimbostratus
Dec 14, 2010

Multiple remote connections, return first responder?

This may be a post for the iRules section, but I wasn't sure, so I figured I'd start here.     I'm trying to send SMTP mail to a remote provider (unrelated to my company, just trying to send mai...
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Hamish's avatar
Hamish
Icon for Cirrocumulus rankCirrocumulus
Dec 15, 2010
Posted By cmoates on 12/15/2010 08:41 AM

 

 

 

And yes, SMTP isn't a real time protocol, and I'm reducing the time I'll wait for a TCP connection to help mitigate the issue, but what happens is that I'll end up with so many of these in my outbound queue that no mail is delivered to anyone, while the threads all spin on a TCP timeout.

 

 

Mmm... What sort of software are you using for your MTA? FWIW I used to run postfix with hundreds of thousands of emails per day... For slow sites, you can usually set a maximum number of connections to use.. e.g. 1... (AOL was usually pretty bad sometimes for this).

 

 

postfix will also remember about bad relays... And will extend the time between attempts for ones that are continually bad.

 

 

 

 

 

 

H