Re: Problems with $mydomain entries in virtual

On Tue, 19 Oct 2004 09:04:07 -0400 (EDT)
"Michael" <mth@mth.com> wrote:

> Magnus wrote:
>
> >> However, I wanted to do some additional aliasing of my.domain, so I
> >put> them in /etc/postfix/virtual:
> >>
> >> michael@mydomain.com mth
> >> miguel@mydomain.com mth
> >>
> >> @mydomain.com bitbucket # defined in aliases as /dev/null
> >
> > Why on earth do you do this? You should not discard mail to invalid
> > recipients.
>
> Well, I thought that was the best way to eliminate spam ... better
> than telling the spammers that the users don't exist.

Since they never bother to correct their lists why bother ?


>
> With sendmail I have been running that way for years.
>
> Indeed the postfix man page for aliases(5) says:
>
> /file/name
> Mail is appended to /file/name. See local(8) for
> details of delivery to file. Delivery is not lim-
> ited to regular files. For example, to dispose of
> unwanted mail, deflect it to /dev/null.
>
> Q: What is your recommended way to flush 'unknown@mydomain.com'
> messages?
>
>


The normal practice is not accept the messages is the first place
(difficult unless you are running 'direct-to-mx' I know), then you don't
:-

a clog up your queues with bounce messages (which would probably go to
forged senders anyway)

b. clog your bandwidth with the message bodies of spam.

--
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