SMTP and MX records -- iis smtp nntp

iis smtp nntp : SMTP and MX records

Robert
2/21/2005 10:27:03 AM

i am having problems getting mail delievered to one address everything else
gets delieverd fine. i am running IIS6.
the destination host has three MX records and MX1 went down. MX2 is still up
but the smtp server wont deliever to it. i think MX3 is down also. the
priority is MX1, MX2 then MX3.
i thought the smtp server would go to the next mx record is the first is
unavailable.

Peter D. Hipson
2/22/2005 5:36:43 PM

Just a WAG, but i think the problem is at their end, not yours.

On Mon, 21 Feb 2005 10:27:03 -0800, Robert
[quoted text, click to view]

PeterD, the Darkstar Network
To email, fix my address!

WingFan
2/23/2005 9:43:05 AM

I agree. It almost sounds like the SMTP service on MX1 is down, but the
actual host is still alive (just not listening on port 25).. So, your
machine sees the host and tries to get a response from it. Kind of like
secondary and tertiary gateways on a NIC configuration. Unless the primary
goes completely dead, the machine will try to route thru it.

[quoted text, click to view]

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