[Dovecot] disabling mail delivery for a user

[Steffen Kaiser]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

On Tue, 2 Feb 2010, Frank Cusack wrote:

> If I put them in a userdb which has "deny = yes" that just disables
> their ability to login, yes?  And they would still have mail delivered.
>
> I want to disable their ability to login AND bounce all mail delivered
> to them, preferably solely through dovecot configuration.  I am using
> lda, obviously, for mail delivery.  (I could configure the MTA to reject
> mail for them if there is no other option.)

IMHO:
If you want to avoid backscatter, you must disable the user in the MTA, in 
order to reject the message during "rcpt to" command or at least in DATA.

If you reject the mail after DATA, e.g. in a Sieve script or so, a DSN / 
bounce mail is generated, aka backscatter for SPAM.

Regards,

- -- 
Steffen Kaiser
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.6 (GNU/Linux)

iQEVAwUBS2fo6L+Vh58GPL/cAQIq7Qf/SZ7aXXjFl/eM04bjNws0ma4MCLdll/j2
WtUjSNn+lmJqPTtn9iOOhBlRbtXAxfoHBrCQUl0SIU3IdGNY709lZeiheTfbEoVh
oxV6/tjJ1AZQ4EcGy+h8pTwRu7VTJoQyFpZ76BxgLFlSSS6StCDu+J5NqyICZDx3
kAJXWRL4ARa9N9bh2XjZkGnjAOsYvix4+v3tItK0IHI/Szit1r40I89JYrucj8Q8
dJ+3++5StoGaobGG8jJz/w7DLZrZfCUEF/5WrUsQRn5JPAs8XWuooVYoDlWZpwXH
gizNYORh7VCtWDaQXwoPr7O78GqwKzoKtONjbUGWcH6nuc1u6ALg/Q==
=D6L8
-----END PGP SIGNATURE-----