This week, I have received two similiar bounce reports for the same Gmail subscriber recipient. This list had had 17 messages distributed in this 1-week time-frame. The other 80 Gmail subscribers are not having this issue. I checked with our site's admin and NTF.
That particular email address is also a QUIET: owner and does NOT receive list's admin messages (errors, moderation).
Thoughts? e.g., listserv Peer backbone?
1 07/11 07/11 <[suppressed]@GMAIL.COM> Last error: 5.7.25 550-5.7.25 [74.220.200.20] The IP address sending this message does not have a 550-5.7.25 PTR record setup, or the corresponding forward DNS entry does not 550-5.7.25 point to the sending IP. As a policy, Gmail does not accept messages 550-5.7.25 from IPs with missing PTR records. Please visi... (165 bytes suppressed) 1 07/15 07/15 <[suppressed]@GMAIL.COM> Last error: 5.7.25 550-5.7.25 [67.20.84.70] The IP address sending this message does not have a PTR 550-5.7.25 record setup, or the corresponding forward DNS entry does not point 550-5.7.25 to the sending IP. As a policy, Gmail does not accept messages from 550-5.7.25 IPs with missing PTR records. Please visit ... (165 bytes suppressed)
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