Suppressing bounce messages in sendmail

Chuck Swiger cswiger at
Tue Mar 1 12:36:37 GMT 2005

Daniel O'Connor wrote:
> Hi,
> We run sendmail on our systems in the field to hold and send email (but never 
> receive it from the outside world) and I would like to be able to suppress 
> bounce generation.
> The local user sending the email on the system has it's email redirected 
> outside (to us back at base) so we're not the bounce messages provide pretty 
> much zero useful information and just slow the link down when it does come 
> back.
> Does anyone know how? I've seen DOUBLE_BOUNCE_ADDRESS which would help, but it 
> would be nice to suppress them all if possible.

If you set DOUBLE_BOUNCE_ADDRESS and LUSER_RELAY to nobody, that will probably 
have an effect close to what you've said you want.  However, it is likely that 
solving the problem another way-- such as not sending mail which is going to 
bounce-- would be a better idea.


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