On Tue, 09 May 2006 17:18:15 +0200, tonix (Antonio Nati) wrote:

>>Now I'd imagine the main frontline you'd want to investigate is 
>>chkuser.c if you use it.  By line 567, it's got a user and domain 
>>split.  Under case 10, it actually does the user check, so just have 
>>it test the user for 'postmaster' and return a failed 'user does not exist'.
> It could be more easy to set the BOUNCE_FLAG on for each postmaster, 
> and message will be rejected.

That's it! Shame on me. ;)

$ vmoduser -v
| version: 5.4.10
| vmoduser: usage: [options] email_addr or domain (for each user in domain)
| ...
| the following options are bit flags in the gid int field ...
| ...
|          -b ( bounce all mail )
| ...

It was too easy to find out. ;)


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