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Subject Topic: Sending messages without SMTP server Post ReplyPost New Topic
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netcast
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Newbie


Joined: 14 October 2010
Location: Canada
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Posts: 4
Posted: 14 October 2011 at 7:58am | IP Logged Quote netcast

Hi-

I am using the MailBee.SmtpMail.Smtp.QuickSend without an smtp server but the message always get caught up in the users spam folder (tested with Gmail servers)

If I use a smtp server the same message goes through with no issues.

Is there a way to minimize the chances of getting the email caught in a spam filter.


Thanks
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Igor
AfterLogic Support
AfterLogic Support


Joined: 24 June 2008
Location: United States
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Posts: 6104
Posted: 14 October 2011 at 10:53pm | IP Logged Quote Igor

If you're sending mails without using relay SMTP server (the approach is called "direct send"), it is highly recommended to have a domain pointing to your machine, with MX and PTR records configured correctly. Many services, including GMail, would perform DNS-based sender check - the IP address of server mails are sent from must be resolved to domain, and hostname must be resolved to exactly the same IP address. If the check is failed, mails are treated as those sent from fake domain so they end up in Spam folder, or not delivered at all. Of course, the same check would be performed when relay SMTP server is used, but in that case test is likely to be passed if server's DNS is configured properly.

--
Regards,
Igor, AfterLogic Support
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