[Mailman-Users] Bounce processing

Mark Sapiro mark at msapiro.net
Sat Jan 19 22:21:41 EST 2019

On 1/19/19 2:41 PM, Kenneth G. Gordon wrote:
> Over the past several weeks, I have received many reports from Mailman concerning too 
> many bounces from certain subscribers who are normally very active on one of my forums.
> All of these "Bounce Action Notification"'s appear to be coming from only a very few ISPs, 
> the big one being AOL, although also verizon.com is another one. In the past, gmail.com, 
> and hotmail.com have been a culprits.
> Is there any way to prevent these people from being essentially kicked off the forum until 
> AOL, among others, gets its act together?

Other replies have given good advice, but one thing not mentioned is
DMARC. If the bounces are of mail that doesn't pass DMARC. See
<https://wiki.list.org/DEV/DMARC> if this is the issue.

You need to look at the bounce notices and determine the reason for the

Mark Sapiro <mark at msapiro.net>        The highway is for gamblers,
San Francisco Bay Area, California    better use your sense - B. Dylan

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