[Mailman-Users] leaking user list to recipient email domains

Mike Wertheim writes: > One of the email addresses on the list used a custom personalized domain, > which started bouncing. I didn't notice the bounces at the time. In addition to what Mark says, you should also investigate this. You should not need to notice the bounces. Mailman can be confi

[Mailman-Users] leaking user list to recipient email domains

I'm running Mailman version 2.1.29. I have a Mailman email list that has around 500 subscribers, who are all members of an organization who have opted-in to the list. One of the email addresses on the list used a custom personalized domain, which started bouncing. I didn't notice the bounces at t