OT: Reject non local users with sendmail, help

[Derek Catanzaro]

Jim Holland wrote:
> On Fri, 20 Oct 2006, Derek Catanzaro wrote:
>
>   
>> Correct, sendmail will not relay for a domain that you do not allow and
>> this is working for me.  The subject line of this message is incorrect,
>> it should have read "RELAY" not reject.  My MailScanner/sendmail servers
>> relay to an internal Lotus Domino server.  I have compiled a list of
>> addresses that I want sendmail to relay to and if the adddress is not
>> listed I do not want sendmail to accept it.  Right now it accepts any
>> address that is sent to mydomain.com, hence the extra load.  
>> MailScanner is having to process a bunch of messages that are going to
>> non existent users in mydomain.com.
>>
>> I have the list of receipients that I need to relay for I just need to
>> know how to tell sendmail to only relay to these users and drop the
>> rest.
>>     
>
> In the access file:
>
> To:user1 at example.com    RELAY
> To:user2 at example.com    RELAY
> To:user3 at example.com    RELAY
> To:example.com          ERROR:5.1.1:550 No such user
>
> Keep your base access file in a separate location, and then generate the
> above entries with a script, combine it with your base access file and
> then run "make".
>
> Regards
>
> Jim Holland
> System Administrator
> MANGO - Zimbabwe's non-profit e-mail service
>
>   
Thanks Jim, this did the trick.  The load on the servers have definitely 
gone down.  Can't wait to run the numbers in a week to see how much this 
will cut back on the number of messages MailScanner has to process.

Thanks again, have a good weekend.

Derek

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