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hörnchenmeister
Newbie
Joined: 09 March 2011
Location: Germany
Online Status: Offline
Posts: 8
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| Posted: 05 December 2011 at 7:00am | IP Logged
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Hi all,
I experienced a strange behavior with the Smtp mailer.
I try to send an email with multiple recipients in the To.AsString() field.
I added about 15 recipients, all comma-separated.
The problem now is that the Send() method seems to hang when trying to send this email (it is about 2MB big).
I waited quite a while but it does not return.
Some mails seem to be sent though, some not...
Any help/info/explanation is kindly appreciated
best regards
Andy
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Alex
AfterLogic Support
Joined: 19 November 2003
Online Status: Offline
Posts: 2206
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| Posted: 05 December 2011 at 12:31pm | IP Logged
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Please enable logging with Smtp.Log property and post the log file contents here.
My wild guess is that the server thinks you're a spammer (because of too many recipients, or if send multiple messages one-by-one) and specially slows the connection down to limit the throughput. This is called throttling. I'd check if the issue occurs if only 1-2 recipients are specified and only 1-2 emails are sent.
Regards,
Alex
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hörnchenmeister
Newbie
Joined: 09 March 2011
Location: Germany
Online Status: Offline
Posts: 8
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| Posted: 06 December 2011 at 4:16am | IP Logged
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Hi ALex,
thanks a ton for your "wild guess". You were absolutely right.
I had a conversation with our provider who told me that this in fact happens if there are too many recipients on the list.
The component behaves totally correct.
best regards
Andy
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Topic: Problem sending mail with multiple TO
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