11 Sep
2013
11 Sep
'13
10:41 a.m.
Andrew McGlashan writes:
Secondly, with your DNS, have you setup MX record(s) ? You need at least one MX record.
Wrong. https://en.wikipedia.org/wiki/MX_record#History_of_fallback_to_A | RFC 5321 sec. 5 now clearly states that: | | 1. SMTP clients must look up for an MX record; | 2. if no MX record for domain is present, look up for an A Resource | Record (RR), and if such record is present, treat it as an MX | record; | 3. if an MX record is present, clients MUST NOT use an A RR.
You can also test your domain with this website:
Or, you know, dig.