Send From an address, but discard any incomming mail to that address, sendmail?

[Alex Broens]

On 2010-05-13 17:36, Shaun Forsyth (RPM Solutions) wrote:
> Hi Guys,
>    I know not strictly a mail scanner question, but its on one of our 
> mailscanner servers, and could maybe something mail scanner can help 
> with. Currently using sendmail with virtual users, user noreply at domain 
> is used to send email from scripts on the server, the domain is listed 
> in local-host-names however I cleaned up the virtual user file the other 
> day and added a bunch of @domain error:nouser No such user here no the 
> server wont send from that address?
> 
> I should point out that I can't simply trust the user that the script is 
> running as, as the mail is being smart hosted from another server to 
> this server, the access file currently has 2 lines Connect:[IP] RELAY 
> and [IP] RELAY already in it.
> 
> Any one think of a way that this can be done, to be able to send from 
> the address but drop, reject, discard the mail coming back in.


teach the sending app to use an empty envelope-from so no 
replies/bounces will ever get sent back