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Subject Topic: Newsletter app Post ReplyPost New Topic
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matiasmf
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Joined: 03 November 2008
Location: Argentina
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Posts: 2
Posted: 03 November 2008 at 9:42am | IP Logged Quote matiasmf
Hi,
I need to know the best way & faster to send a lot of emails from a .net newsletter application. I have lists of emails that haves 20,000 accounts... 4000 of hotmail, 3000 of gmail... i try to send directly by mx at works fine, but not so fast.... using message queue will upgrade the performance ?
During mi testing i realice that if i have to send to the same mx the best way is making one single connection and a loop, message queue uses this method ?

thanks
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Andrew
AfterLogic Support
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Joined: 28 April 2006
Location: United States
Online Status: Offline
Posts: 1189
Posted: 05 November 2008 at 4:28am | IP Logged Quote Andrew
Have you tried to increase Smtp.MaxThreadCount value?

Sending to MX directly via Smtp.SendMailMerge (or Smtp.AddJob / Smtp.SendJobs) in multiple threads (Smtp.MaxThreadCount > 1) is the fastest way.

Using MMQ won't increase the performance as it uses a relay server for sending messages. Moreover, MMQ is designed for limiting sending rate in case if recipients SMTP servers treat you as a spammer due to high sending rate.

Best regards,
Andrew
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