RE: [exim] Supressing bounce messages

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Author: Fred Viles
Date:  
To: exim-users
Subject: RE: [exim] Supressing bounce messages
On 27 Jun 2005 at 18:07, Mark Smith wrote about
    "RE: [exim] Supressing bounce messag":


|...
| (I wrote:)
| > OK, then how about addressing the problem at its source? You
| > shouldn't be generating bounces to external senders in the
| > first place. Undeliverable mail should be rejected at SMTP time.
|
| We don't generate bounces to external senders, only local senders, and we
| only do that because some MUAs don't cope well with rejections at SMTP time.


Right. Good.

| The situation I'm trying to address is the unlikely event that someone on
| our system (a local user or a hacker) starts Joe-Jobbing somebody. We don't
| want to send misdirected bounces to the addresses that are being spoofed.


But if all the hacker's victim addresses are valid, that's OK? ;)

Can you prohibit spoofed senders (at least spoofed external senders)
instead?

- Fred