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Author Topic: Close outbound SMTP connection  (Read 9320 times)

elysium3

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Close outbound SMTP connection
« on: May 22, 2012, 05:10:47 AM »

Dear all,

To close all outbound connections, i use service pmta restart command, is there any directive or command to close the outbound SMTP connection to a spoecific ISP and reopen when needed ?

Thank you.
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Port25-Admin1

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Re: Close outbound SMTP connection
« Reply #1 on: May 22, 2012, 09:24:39 AM »

No, but you can set max-smtp-out for the given <domain> to 0 and then reload.  At this point PowerMTA will not open any new connections, and as the existing connections close you should get down to 0.
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Port25-Admin1
------------------
Try the following commands:
Quote
pmta show topdomains --errors
pmta show topqueues --errors
pmta --help

When PowerMTA won't start use:
Quote
pmtad --debug
When all else fails-->support@port25.com

Port25-Admin2

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Re: Close outbound SMTP connection
« Reply #2 on: May 22, 2012, 10:21:52 AM »

You can use the unpublished directive "pmta stop outgoing" to abruptly close all connections, without restarting PowerMTA. 

pmta stop outgoing --queue=yahoo.com/*

will close all active/open connections to yahoo.com across all virtualMTAs

pmta stop outgoing --queue=yahoo.com/mta5

will close all active/open connections to yahoo.com for virtualMTA mta5

Since this is normally not needed, what problem are you trying to resolve?
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elysium3

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Re: Close outbound SMTP connection
« Reply #3 on: May 22, 2012, 01:13:32 PM »

Hello,

Thank you for your response.

In order to avoid closing all active outbound connections, when i get for example connection timeout from one domain,
i think it's convenient to close just the connections to the domain that gives this notification, right?

Thank you.
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Port25-Admin2

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Re: Close outbound SMTP connection
« Reply #4 on: May 22, 2012, 03:01:35 PM »

If you only want to close active connections to one domain, then it is logical to only close the connections to the one domain.

Connection timeouts occur for a whole variety of reasons of course, and sites normally do not manually get involved with closing connections via the command line.
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