spf-discuss
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Re: the "implicit-MX" rule and a proposed BCP

2004-02-13 15:25:56
On Fri, Feb 13, 2004 at 05:20:55PM -0500, Meng Weng Wong wrote:
| 
| I feel a BCP coming on that deprecates the implicit MX rule and
| recommends that all envelope sender domains should have an MX record in
| addition to an A record.  And an SPF record, too, obviously.
| 
| If that became the custom, then we wouldn't have to add SPF records for
| A-only subdomains.

er, "... that deprecates the implicit MX rule and recommends that all
envelope sender domains should have an MX record if they presently only
have an A record."