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On Jan 22, 2015, at 8:56 PM, Justin Vallon <justinval...@gmail.com> wrote: > On 1/22/15 4:00 AM, Alessandro Vesely wrote: > > > > The current SMTP specification refers to the above for "more detail" > > from > > Section 5.1 http://tools.ietf.org/html/rfc5321#section-5.1 > > Thanks for the reference. RFC 5321 sec 5.1 paragraph 4 says that the > MX > data contains a domain that must return an A or AAAA record; all other > responses are invalid (outside the standard). > > My configuration is: > > mydomain.com MX mail.hosting.com > mail.hosting.com CNAME server.hosting.com > server.hosting.com A 1.1.1.1 > > So, this is invalid. > Yes. You should have ... mydomain.com MX server.hosting.com. Be sure you add a "." at the end of your MX target spec (assuming you're using a bind-like zone file setup) otherwise your name server will add the default domain after the MX target. -- Lindsay Haisley | "UNIX is user-friendly, it just FMP Computer Services | chooses its friends." 512-259-1190 | -- Andreas Bogk http://www.fmp.com | ------------------------------------------------------------------------------ New Year. New Location. New Benefits. New Data Center in Ashburn, VA. GigeNET is offering a free month of service with a new server in Ashburn. Choose from 2 high performing configs, both with 100TB of bandwidth. Higher redundancy.Lower latency.Increased capacity.Completely compliant. http://p.sf.net/sfu/gigenet _______________________________________________ courier-users mailing list courier-users@lists.sourceforge.net Unsubscribe: https://lists.sourceforge.net/lists/listinfo/courier-users
