At 8:21 PM -0500 3/11/02, Bill Cole wrote:
>
>No, you missed it. SIMS  does no reverse lookup at all. It does a 
>query for an A record for the name claimed by the sender, and sees 
>if it matches the connecting IP.
>

It looks to me like SIMS is doing a MX lookup on karabalta.kg which 
yields a result of:

karabalta.kg    preference = 2, mail exchanger = karabalta.kg
karabalta.kg    preference = 10, mail exchanger = relay1.asiainfo.kg

Since there is an MX record for karabalta.kg the sender is 
"verified". I don't think SIMS digs deeper to see that the A record 
for karabalta.kg is not valid.
-- 

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