Bruno Ferreira wrote:
After a bit more investigation at the MTA side, I managed to find out that Mailman processes the subscribe requests alone twice. Subscribing through the web interface makes Mailman process the request once. However, sending a mail without proper commands to mailinglist-request@domain throws ONE error e-mail back, as it should be. So there's this situation:
- Subscription through web interface: OK
- Subscription through e-mail: 2 subscriptions processed
- Other mail to mailinglist-request@domain: OK
Where do you suggest I start looking now?
Look at the actual subscription request e-mail (Bcc: yourself to get a copy). Look for anything strange like two From: headers or e-mail address appearing twice in From: header.
Check MTA log to make sure request is only piped once to the wrapper, although it seems that you've probably already done this or at least empirically verified it (- Other mail to mailinglist-request@domain: OK)
Are you mailing mailinglist-request@domain with 'subscribe' both in the subject and in the body of the e-mail?
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