Is there any requirement that MX record needs to have a valid PTR record?
e.g. an MX record: mx.domain.com resolves 1.1.1.1 in addition the IP address(1.1.1.1) needs to have a PTR record that resolves back tomx.domain.com.
Thanks in advance.
Is there any requirement that MX record needs to have a valid PTR record?
e.g. an MX record: mx.domain.com resolves 1.1.1.1 in addition the IP address(1.1.1.1) needs to have a PTR record that resolves back tomx.domain.com.
Thanks in advance.