On 08/23/2017 02:59 PM, Tom Browder wrote:
Based on all the comments, I've modified the OP list to this:# For each domain X.TLD: X.TLD. IN A 142.54.186.2. *.X.TLD. IN CNAME X.TLD. X.TLD. IN MX 10 X.TLD. X.TLD. IN TXT "v=spf1 mx ?all" How's that set?
I would suggest that you point your MX record(s) to a hostname and not the domain name itself.
Using the hostname will allow you to move email if (read: when) you ever need to move it to another server. - I.e. you can move mail.example.com to a different server without having to worry about reconfiguring everything that was using example.com.
Similarly, I always used smtp.example.com for outgoing and pop3.example.com and / or imap.example.com for incoming email servers.
Start with something that will be flexible and allow you to change as you grow in the future. - Even if growth is simply replacing the aging server in five years with it's new counterpart.
-- Grant. . . . unix || die
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