hotmail MX's have been/are a fscking mess.
As befits the Evil Empire, they are arrogant @ssholes towards the rest of
Internet. You don't publish A records for MX hosts that you know aren't
functional, since if you do, other peoples' mail servers will waste their
time trusting the MX/A records and try to contact them.
I think Hotmail's current catastrophe may be related to the fact that
Brightmail is supplying them with IMGate-type of MX host machines to fight
the horrendous SPAM problems that Hotmail's policies have visted on their
110 million Hotmail users.
I suppose MS is insisting that the Brightmail machines be W2K, but W2K MX's
already couldn't handle the load with no anti-abuse policies to apply, HTF
are they going to handle the significant extra processing/disk load of
Brigtmail policies?
Here's what IMGate saw yeterday when trying to delivery a msgs to hotmail:
Host/Domain Summary: Message Delivery (top 20)
sent cnt bytes defers avg dly max dly host/domain
-------- ------- ------- ------- ------- -----------
461 21352k 1 14.1 s 20.1 m aol.com
208 4524k 0 5.3 s 54.0 s yahoo.com
205 3695k 144 13.1 m 3.4 h hotmail.com
I put the other big ISP's up there for comparison to embarrass MS/Hotmail
to the max. The above is typical for every day. Those MS/Hotmail clowns
don't have clue about infrastructure management.
Len
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