Allow list entries not working with Bounce Address Tag Validation (BATV) senders

  • Article ID: 118306
  • Updated: 09 Jan 2014

Issue

Allow list entries not working with Bounce Address Tag Validation (BATV) senders.

First seen in

PureMessage for Microsoft Exchange


Cause

Emails from a BATV account have a different envelope sender than the actual sender address to stop illegal NDR reports from flooding the senders email server by specifying a unique envelope sender address for each email, for example:

prvs=999ec9999=recipient@domain.com

PureMessage uses the envelope sender address to ascertain the sender, this means adding just the recipient's email address to the Allow list will not work when BATV is used by the sender. 

What To Do

As the envelope sender address is unique for each email you will have to adjust the format in which you add the Allow list exclusion.  PureMessage supports the use of wild cards and you can add the user to the white list by specifying their address in the below format.

*recipient@domain.com

The wildcard symbol (*) denotes an entry of any number of characters before the email address.

 
If you need more information or guidance, then please contact technical support.

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