Mailinglist Archive: opensuse (2982 mails)

[Sandy Drobic <suse-linux-e@xxxxxxxxxxxxxxxxxxxxxxx>]

Carlos E. R. wrote:

>> Still, I suggest you use the action DISCARD instead of REJECT. If the next
>> mail you want to reject with such a header_check is NOT the empty sender
>> address <>, you WILL become a backscatter source with REJECT.
> 
> You are right. Well, in any case, my backscatter would have 
> "nimrodel.valinor" as the source, so it serves them right if they do 
> accept it! ;-P

Grin! What would I give, if I could just implement strict RFC compliance
checks on our company server, for example "reject_unknown_helo_hostname".

I see a lot of regular servers announcing themselves as "mail.intranet" or
"exchange.local" and the like.

> Probably my subconscious mind chooses "reject" as a way of punishing 
> them... Ok, ok, I'll start reviewing my config O:-)

I feel for you, man! I always get this warm fuzzy feeling when I see the
reject rate on my server spike. (^-^)
Recently I had a few thousand rejects when a spammer decided to use
"localhost" as HELO. Sometimes I really wonder if the evolution theory is
valid.

-- 
Sandy

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