I do not grok Postfix but reducing the value of the Mailman config variable SMTP_MAX_RCPTS in mm_cfg.py to a smaller value than the default of 500 set in Defaults.py (assuming MM 2.1.x) might be of benefit. I think you can come down to a few tens from 500 for this value without really prejudicing performance for most lists (well I can, with Sendmail).
Ah, I'll try this. I'm assuming, by this logic, that postfix is probably seeing too many invalid rcpt's from the one smtp connection and as a result, gives this error.
Does mailman handle delivery different to a local MTA, rather than remote machines? I'm curious, because many people's spam filtering would limit the amount of RCPTS allowed these days to a value much lower than 500, right?
If that stops the Postfix disconnect then MM's bounce handler is capable of cleaning the list of subscribers that cannot be reached if the bounce parameters for the list are not too far off base.
Ah, so the mailman bounce handler only works if the MTA actually gives a real error (i.e. "user does not exist"), rather than just screaming that there's too many rcpt errors?
Probably explains why it wasn't working, then. I knew mailman had bounce handling, was wondering why it wasn't working.
(Am I on the right track with the above logic, BTW?)
R
I've insisted the guy should go in and manually clean up the subscriber
list, but he says majordomo handled this fine, and so should mailman.
(I thought mailman did?).
Mailman is just delivering mail to all users on the list ...
The MTA used locally is postfix. I've tried tweaking various things in
it, such as disabling the guy's super paranoid anti-spam stuff [which
was causing some issues, but not this], but to no avail.
The only thing that makes sense is to clean up the subscriber databases. If one does not like to do that, one will have to reconfigure postfix.
-thh
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