OT: Sendmail REJECT or DISCARD preference

[Peter Farrow]

Matt Kettler wrote:
> Matt Kettler wrote:
>> Peter Farrow wrote:
>>> So I'll carry on doing a discard thanks,
>>>
>>
>> For your case, you probably should.
>>
>> However, please stop misrepresenting the facts. REJECT works very 
>> well if properly implemented, and doesn't flood your postmaster box. 
>> However, properly implemented means having it on all of your MX 
>> servers, not a back-end server.
>>
>> If you're filtering on a back-end server, or any other point after 
>> the DATA phase of the SMTP session has been OKed by a server in your 
>> network, then REJECT is a bad idea. At that point, a REJECT 
>> fundamentally has to result in a post-delivery bounce, because the 
>> message has already been delivered.
>
> <snip>
>
>>
>> This is really all very, very basic mail administrator knowledge.
>
>
> Note: At this point, I'm withdrawing from the thread. I encourage 
> others to read the statements made in the above post, and I stand by 
> them as basic truths of mailserver administration.
>
> I also accept that many of my earlier statements in this thread aren't 
> applicable to Peter's situation, as he is implementing his filtering 
> in a downstream server, not at the MX where most of the rest of us do it.
>
> However this is all really OT and there's no need to flood the list 
> with basic mailserver administration topics that aren't directly 
> related to MailScanner.
>
>
>
>
point taken..... make the most of the comments and add them to your 
repertoire of knowledge to use how you want!