On 7/20/26 08:04, Stefan Bauer via Mailman-users wrote:
how can i completely disable/block list-signup-requests for specific lists
via e-mail? i have some announce-only mailinglists i do not want to allow
users to signup at all via e-mail. I'm aware of the subscription policies
but there is no block or reject/discard option.
You can't do this with list settings. Depending on your MTA, you might
be able to set it to reject mail to the list-join and list-subscribe
addresses. For example with Postfix you will probably have in main.cf
```
transport_maps = hash:/opt/mailman/mm/var/data/postfix_lmtp
```
You don't want to edit the postfix_lmtp file because that gets
frequently regenerated, but you could create a mapping, say a file
/path/to/rejects containing
```
[email protected] error:5.7.1 Mail rejected due to policy
[email protected] error:5.7.1 Mail rejected due to policy
```
and hash it with
```
postmap hash:/path/to/rejects
```
and then modify the transport_maps setting
```
transport_maps = hash:/path/to/rejects
hash:/opt/mailman/mm/var/data/postfix_lmtp
```
--
Mark Sapiro <[email protected]> The highway is for gamblers,
San Francisco Bay Area, California better use your sense - B. Dylan
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