[prev in list] [next in list] [prev in thread] [next in thread] 

List:       inet-access
Subject:    Re: Not accepting Mails for Non-existent Users in smtpd level
From:       John Gonzalez/netMDC admin <ekool () ns1 ! netmdc ! com>
Date:       2002-12-13 16:12:12
[Download RAW message or body]

I have a friend that wrote a perl script for qmail that uses a setup 
similar to tcp.smtp (cdb file) to reject all non-known local users.

If you want, send me a message offlist and I'll shoot it to you.

> >We have been a victim of email bombing 2 times lately. It is of very 
> >strange nature. 
> >
> >Some spammer on the internet used something@wlink.com.np as their 
> >return-address to send out junk mails and which bounced back to our 
> >domain. Our mail servers were flooded by more than 500,000 mails due to 
> >which many legitimate mails got delayed.
> >
> >I need an solution such that when the sending MTA sends rcpt to: 
> >abc@domain qmail-smtpd should check with the radius server or alike to 
> >determine if the user exists or not. If the user is not found in the 
> >database it should reject the mail saying "User doesn't exist" or if 
> >disabled "User account is disabled".However this checking should only be 
> >done for incoming mails to our domain.
> >
> >Please HELP!!!!
> >
> -- 
> Steve Glines

-- 
John Gonzalez, Tularosa Communications | (505) 439-0200 work
JG6416, ASN 11711, johng@tularosa.net  | (505) 443-1228 fax
      http://www.tularosa.net
-
Recent archives of the list can be found at:
http://mix.twistedpair.ca/pipermail/inet-access/
Send 'unsubscribe' in the body to 'list-request@inet-access.net' to leave.
Eat sushi frequently.   inet@inet-access.net is the human contact address.
[prev in list] [next in list] [prev in thread] [next in thread]