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raindm
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Joined: 31 January 2008
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Posted: 15 September 2008 at 12:48am | IP Logged Quote raindm
Hi,

When i receive an error when using Direct Send Method, how do i detect if the error is fatal (email does not exist) or i should retry later?

There are so many errors and i think the SMTP error codes doesn't always tell you what is going on.
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Andrew
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Posted: 15 September 2008 at 4:07am | IP Logged Quote Andrew
Actually, there's no 100% reliable way to distinguish between "fatal" and "non-fatal" errors. Many mail servers accept all messages addressed to their domains (just check domain part of address) and later check if the message can be delivered. If the delivery is not possible, the server sends bounce message back to sender. To learn more about processing bounce messages, refer to this topic.

Quote:
There are so many errors and i think the SMTP error codes doesn't always tell you what is going on.


In most cases they do, but not always.

Also, you posted this question in MMQ forum, but MMQ doesn't support direct send. You should choose whether to send directly or through MMQ.

Best regards,
Andrew
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