I am wondering if this is a DNS issue, a gauntlet firewall issue, or why
this isn't working.
I have 2 sites in different locations. One has DNS domain: ecorp.com the
other has DNS domain dev.ecorp.com.
Mail works fine to ecorp.com but when trying to deliver to dev.ecorp.com
mail gets rejected by mail.ecorp.com saying that dev.ecorp.com is not in its
rcpthosts. dev.ecorp.com is in the rcpthosts on mail.dev.ecorp.com not
mail.ecorp.com
If I run nslookup
>set type=MX
>ecorp.com
Server: ns2.pnap.net
Address: 206.253.194.97
ecorp.com preference = 10, mail exchanger = mail.ecorp.com
>dev.ecorp.com
Server: ns2.pnap.net
Address: 206.253.194.97
dev.ecorp.com preference = 10, mail exchanger = mail.dev.ecorp.com
Shouldn't DNS deliver this to mail.dev.ecorp.com rather than mail.ecorp.com?
The only other thing I can think is that either I don't understand DNS MX
records for subdomains or the gauntlet firewall that receives this message
first is forwarding it to the other side.
What do you think?
Susan Short
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