It appears that Mark Andrews <marka(_at_)isc(_dot_)org> said:
You need properly read the quoted section that talks about MX target being a
CNAME.
In particular this sentence from RFC 5321, section 5.1:
Any other response, specifically including a value that will return a
CNAME record when queried, lies outside the scope of this Standard.
In other words “It is your problem if the target of the MX refers to a CNAME
and things break."
The MX records for n0.lt are NOT RFC compliant. The target points to a CNAME.
Quite right.
"Doctor, doctor, it hurts when I do this."
"So don't do that."
R's,
John
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