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Topic: SMTP Connections  (Read 1911 times)
« on: January 25, 2006, 05:16:02 AM »
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froggie775 Offline
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Aloha,

I've been getting the following error message when I try to send emails lately:

"The server responded: 421 Too many concurrent SMTP connections; please try again later"

It doesn't happen all the time and after a few more attempts to send mail, it eventually goes through, but I was wondering what is going on with this?
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« Reply #1 on: January 25, 2006, 12:56:09 PM »
Alex Melen Offline
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Thats usually when there some kind of attack on the network.. it shouldn't happen too often.. if i remember correctly we only had 10 or so attacks that would cause that in January. In most of the cases, it should let you send it within a minute or two (once the automatic DDOS preventions initiailize)>
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« Reply #2 on: January 25, 2006, 04:34:37 PM »
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Yeah, I've noticed it doesn't happen very often and it generally tends to happen in the late evening (I'm guessing around midnight-3am pacific time).

Thanks for the response.
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« Reply #3 on: January 25, 2006, 09:39:55 PM »
Alex Melen Offline
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It should stop occuring all together very soon.. we are working on software that would initialize anti-DDOS measures in a few seconds instead of the current 60-120 seconds.
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