Hi Carey! Carey Jung schrieb am 2004-05-03 08:26:15: > Good question. It just adds to my administrative burden. Also, in my > current case, the sending MX records look like this: > > MX 8 n.n.n.n.
By adding the final "." to this record you already noticed, that also
what the nameserver expects is a domain. If you add "12.23.34.45." it's
something different than the IP address 12.23.34.45 - it's a hostname.
And a normal implementation won't handle it as an IP address but resolve
it again. If there are implementations that try to guess is something is
an IP or a domain, than they can make wrong assumptions (why are you
sure that it is an IP address?) and all this checks are just workarounds
for broken records.
It's not that courier forces you do do something which would work ...
it's that courier does not implement a workaround for a bug ... not only
because it's not legal according to the RFC ... it's even wrong from the
natural sematics.
Tot kijk
Matthias
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