SmaterMail Spool (Backup MX Server)
Question asked by Shoaib Nawaz - May 29, 2017 at 11:37 PM
Unanswered
 
Hi,
 
I configure SM 15.5 as a backup MX server by using KB article (a3133). My primary mail server is exchange 2013 (hosted) and spam filter is barracuda spam filter. I set the domain MX record like weight 10 points to barracuda spam firewall and weight 20 to SmarterMail (SM). If anything happen to barracuda (BC) than SmarterMail (SM) collect all emails in Spool and forward to BC when issue is resolve. This is my simple scenario. 
 
Spool in SM is increasing and right now its 587. Why emails stuck in Spool. All those emails are spam emails.
Please review the below link for screen shots. I tried everything like disable 'Auto-Responders' and Content Filter Bouncing - 'Require message passed SPF'. Medium/High Probability of Spam will be deleted. I set the spam setting as 'recommended-spam-settings' article but still receiving spams.
 
Someone please help me to resolve this issue. BC receive lots of spam emails from SM
 
I am sorry, i am not able to enter links as my account don't have permission.
 
Screenshots:
www.dropbox.com/sh/ep80ub1khlnqkq9/AAD5t-VeKxaHP8gSYUtQs26Xa?dl=0
 
 
 

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User Replied
Hi Shoaib. Please right-click on one of the messages in the spool, go to View then Recipient. You should see a status or message there. What does it say?
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Hi Linda, Thanks for the reply. I checked it and below is the error. Email address is definately spam. info@fosterite.pl 601 Failed to connect to the recipients mail server. No MX records were found for the 'tern.pl' domain. Status: 544 5.4.4 Host not found (not in DNS).Attempted to send the message to the following ip's: 188.128.255.251
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User Replied
What DNS servers are you using in your SmarterMail configuration?

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