[clue-tech] Question for sendmail folks regarding bitbucketing email to certain accounts

[Angelo Bertolli]

David Anselmi wrote:

> Chris Schock wrote:
>
>> I get a lot of spam sent to info at xxx.xxx domains for which I host. There
>> is no corresponding user for that address, so my mailer tries to send 
>> out
>> a failure notification.
>
>
> Wow.  This is amazingly broken.  Why on earth does your MTA accept 
> mail to a non-existent user and then try to send a bounce?  The 
> correct behavior is to reject the message at SMTP time (a 550 error 
> IIRC).  Then it's the sending MTA's job to handle the non-delivery.
>
Good point.  xxx.xxx probably isn't his domain name (right?)  In that 
case, it's  probably trying to RELAY mail... should these people be 
allowed to relay through your system?