user+folder delivery

[Andreas]

On Tue, May 17, 2005 at 12:45:39PM -0700, Drew Smith (mux) wrote:
> The problem is, if I allow anonymous access to post to those folders, we
> have a gaping hole where any outsider can send email directly into every
> user's Sent Items folder.  This may be acceptable to most folks, but not
> to my Evil Masters!
> 
> So, what I'm trying to do is allow only, say, jeff at ourcompany.com to
> post into jeff+Sent\ Items at ourcompany.com.  In postfix, I'm using lmtp,
> but I've also tried using 'deliver' with the '-a' switch, to no avail.
> 
> Is this even possible?  Is anyone else allowing 'post' access only to
> certain users?

Use authenticated LMTP via TCP. Postfix supports this. Then give this
user ACL rights to post to that mailbox.

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