Vasiliy Kotikov wrote:
Hello!
This morning I have got this reply from courier mail server 0.54.2
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UNDELIVERABLE MAIL
Your message to the following recipients cannot be delivered:
<meta...@bestguidedes.info>:
<<< This domain's DNS violates RFC 1035.
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Anyway domain exists in DNS
nslookup
set type=MX
bestguidedes.info
Server: 127.0.0.1
Address: 127.0.0.1#53
Non-authoritative answer:
bestguidedes.info mail exchanger = 10 217.20.163.50.
Authoritative answers can be found from:
bestguidedes.info nameserver = ns1.fastmessage.org.
bestguidedes.info nameserver = ns2.fastmessage.org.
ns1.fastmessage.org internet address = 62.149.13.107
ns2.fastmessage.org internet address = 217.20.163.50
Please, why .info DNS violates RFC 1035, what could be the problem ?
Host name and not IP address should be in the MX record. Best option is
to contact admin of that domain and ask to respect standards. Quick and
temporary option is to add a record to your esmtproutes file:
bestguidedes.info: [217.20.163.50]
P.S. Subject in the e-mail messages is for the good reason -- to know
what the messages is about without opening it. Please use it. And
please, describe well what the message is about.