How can I check if mailman is habdling bounces correctly? I have an explicitly set return email address, so that anyone replying to the mail, would send the mail to a monitored alias. But I also get a lot of messages saying, undelivered mail etc. How does mailman know that these messages are bouncing??
Per RFC 2821, well behaved Mail Agents, send bounce messages back to the From address of the envelope not to any of the headers of the message being bounced.
In the case of MM 2.1.x the From address of the envelope is <listname>[EMAIL PROTECTED] In MM 2.0.13 it was the <listname>-admin alias if I remember correctly.
Essentially, it is irrelevant what the Reply-to: header is on the outgoing messages from your lists.
Or that these email addresses, are no good?
Mailman receives bounce messages from Mail Agents that are reporting they are unable to deliver mail that MM has sent out. Mailman's bounce handlers analyses such a message to determine which address it sent the original message to. If it succeeds in identifying the address whose delivery failed it records the information against the address and eventually, depending on the list bounce criteria, disables the address concerned.
And how can I check that mailman knows this?
You can take a look at the bounce logs to see what MM is doing. Tyr sneding a message to the address concerened yourself.
But bear in mind that you can set the criteria, on a per-list basis, which MM uses to decide on how to act when it gets bounces. This allows flexibility in coping with failures in mail delivery which may change over time; for instance a Mail server going off-line for a prolonged period and then coming back.
About ten% of my list is bouncing, and I would like to clean that up.
Essentially, Mailman will clean up by disabling bouncing addresses. Once in a while you can go through and delete the disabled addresses form the wbe admin GUI, or re-enable them
------------------------------------------------------------------------------ Richard Barrett http://www.openinfo.co.uk
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