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KevinAtAPC

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When trying to send a large publisher file (~15MB) we get the classic "No transport provider was available for delivery to this recipient." error. The contact is not corrupt as a smaller attachment can go thru without error. Multiple computers as the sender have been tried. Outlook 2K on Win XP. This is being sent via SMTP, not IMAP thru the KOC. The large attachment can be sent via webmail with no problem and received on the KOC. Any ideas?
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sedell

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The KOC has known issues with large attachments. And by large we're talking bigger than 4 or 5 MB. I've heard rumor that KOC 6.0.9 is due out soon, and is supposed to have a rewritten MAPI provider to solve these problems. *fingers crossed*

Scott
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KevinAtAPC

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This isn't sending thru the KOC though, just straight SMTP.
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peterj

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Silly Question but...

Do you have an SMTP message size limit?

If the webmail sends OK then this could be the problem...

(Check in SMTP Server - Security Options)

Also if you used Outlook Express or OL2000 in "Internet Only" mode for troubleshooting you should get better error mesages.
(ie You will see the actual Kerio SMTP response)



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KevinAtAPC

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Nope, it is within the size limit.
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peterj

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What is the limit set to?

Is it well within the limit?

Have you tried using OE to send a mail with large attachments?
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KevinAtAPC

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It's 5MB within the size limit. I'm trying to avoid complicating the solution for the end user if at all possible.

To be blunt, we don't have the most computer literate user base here. It may be a wait till next release type of a situation. Sounds like this issue is supposed to be resolved with 6.0.9?
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peterj

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I just meant can you test sending large attachments using OE for troubleshooting..

This might give a better error so you can fix the prob.

No need to change end-users configs.
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pwhodges

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KevinAtAPC wrote on Mon, 11 April 2005 22:49

It's 5MB within the size limit.

Maybe that's not enough. A 15MB file will expand into an email bigger than 20GB when encoded.

Paul
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KevinAtAPC

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I tried it with Outlook Express and it's going thru but at a pace that's comparable to dialup. Actually, it came back with the over the size limit message. Trying again with the size limit increased. Is there any setting that would try to limit bandwidth per connection?
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KevinAtAPC

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It went thru with the size limit bumped up but still extremely slowly. Downloads fast once it's on it's way back at least.
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