On Fri, 29 Oct 2010, Mark Andrews wrote: > > It would be nice if we could standardise a MX target of "." as saying > that this domain doesn't accept email e.g. "MX 0 ." the same way as "SRV > 0 0 0 ." means that there is no service for the named protocol. That > way the sending MTA or the MSA can reject the email.
Yup. Many MTAs already implement this. > Every time it get suggested people shoot it down worrying about > private nets that have addresses at "." or get worried about thousands > of machines making A/AAAA queries for "." where the MTA doesn't > check that the MX target is a valid host name. Sigh. Tony. -- f.anthony.n.finch <d...@dotat.at> http://dotat.at/ HUMBER THAMES DOVER WIGHT PORTLAND: NORTH BACKING WEST OR NORTHWEST, 5 TO 7, DECREASING 4 OR 5, OCCASIONALLY 6 LATER IN HUMBER AND THAMES. MODERATE OR ROUGH. RAIN THEN FAIR. GOOD. _______________________________________________ bind-users mailing list bind-users@lists.isc.org https://lists.isc.org/mailman/listinfo/bind-users