prvs= overiding white list |
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JeffHildebrand 
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Joined: 26 January 2005 Location: United States Status: Offline Points: 15 |
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 Topic: prvs= overiding white listPosted: 01 November 2010 at 12:47pm |
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We have a company that seems to be using a form of Bounce Address Tag Validation that keeps getting blocked. I have tried adding the domain to the white list but the emails are continuing to be blocked? The From fields is in the form of
prvs=59176D4360=username@domainname.com with the prvs=###= changing each time.
Is there anything else I can try to prevent the emails from getting blocked?
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LogSat
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Joined: 25 January 2005 Location: United States Status: Offline Points: 4104 |
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Posted: 01 November 2010 at 4:15pm |
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Jeff,
SpamFilter does not look at the "From:" header when handling sender's addresses, as this is just a header, not the real sender's address. SpamFilter instead acts upon the address specified in the "RCPT TO" SMTP command. This address is recorded in the "X-SF-RX-Return-Path" header that is added to the email by SpamFilter, and which will usually also match the email address specified in the "Return-Path" header. When examining the sender's address in order to whitelist them, you will need to look at this "RCPT TO" address, not the one in the "From:" header.
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Thermo
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Joined: 10 July 2006 Location: Canada Status: Offline Points: 25 |
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Posted: 02 November 2010 at 12:38pm |
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My routine for handling this after releasing one from quarantine is to wildcard the sender in the AutoWhiteListForceDelivery.txt file. I open the file, do a find (CTRL+F), search term is prvs and then I wildcard the address up to the username.
This prvs=59176D4360=username@domainname.com|user@ourcompany.com Becomes this *username@domainname.com|user@ourcompany.com |
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