| Re: Problems sending mail through Kerio - advice on using another SMTP server on the LAN? [message #129245 is a reply to message #129232] |
Thu, 28 April 2016 17:29   |
j.a.duke
Messages: 239
Registered: October 2006
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It has been a while since I've used a connection with that slow an upstream speed, however, I don't think that Kerio is at fault. I've found the SMTP implementation to be solid and standards-compliant.
Could it be that the upstream DSL channel is having trouble? I've seen that occur and it isn't until there's a load put on that channel that things surface. Might be worth having that looked at, but do that after posting a snapshot of your debug log (as freakinvibe suggested) with the SMTP logging turned on.
As for why the Exchange server worked and Kerio doesn't, I'd suspect something "unique" in the Exchange SMTP implementation.
Post that info, we'll look at it and hopefully have some suggestions regarding how to fix the problem.
Cheers,
Jon
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