Emails with attachments delayed and times out

Unanswered Question
Feb 5th, 2009
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We are experiencing a problem of extermail emails with attachments going out of our domain. Emails without attachments are going without a problem. The message track details indicate delivery started, then bad connection , then message is queued to some later time. And the ironport seems to be chewing up our uplink band width. what diagnostics can I do or what parameters should I check

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tawan_ironport Thu, 02/05/2009 - 08:49
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Could you post some exam log?

the way to solve...

set mail relay and send mail from ironport out through mail relay
- if pass and problem happened at mail relay, check sth in front of it.
- if not, chk ironport

chk via injection debug log (sth may b happen)

good luk ^^

steven_geerts Fri, 02/13/2009 - 08:40
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This sound like a network duplex problem.

I think you should check if your appliance and the device it's connected to (switch/firewall etc.) ore both fixed on the highest possible, but always the same port settings. For instance configure your applicance and your switch both to 100mb/full duplex.

Steven

japan_ironport Fri, 03/06/2009 - 15:11
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I've had a similar problem with incoming mails with attachments being dropped. At the end, a coincidental change of a switch in the organization cured everything.

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