Hello
say i have a subdomain sub.xyz.com.
if I make a CNAME as,
sub.xyz.com CNAME to xyz.net
and, xyz.net has its own MX and SPF records.
my question is, for this DNS setup, will sub.xyz.com uses MX and SPF of
xyz.net for its mail hosting?
for example, when external users write to u...@sub.xyz.com, the messages
will route to xyz.net's MX server. And, when u...@sub.xyz.com deliver
message out, the peer MTA will use xyz.net's SPF for validation. Am I
right?
Thank you.
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