Re: [Exim] [Spoofed Mail addresses spamming mails]

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Author: Andreas Metzler
Date:  
To: exim-users
CC: Vibhav
Subject: Re: [Exim] [Spoofed Mail addresses spamming mails]
On Tue, Feb 03, 2004 at 02:41:00PM +0530, Vibhav wrote:
> I have a problem in my exim server, spammers are telnetting to my server
> using port 25 and making local delivery to unexisting email accounts,
> which in turn my exim server returns a error message to the sender and
> most of those mails are bounced and comes back to my postmaster account.


> I have smtp auth and open relays closed, as this is a local delivery
> mail issue, how to curb this?


Don't accept the mail and generate a bounce.

See the ACLs in exim's default configuration, they use verify=recipient.
              cu andreas