Petr Novák, > in this specific case I was just testing our mail server with all > possible DMARC settings and I always tried the same test case on gmail > to see how they handle that.
And thereby surfaced a bug in Gmail's error messages, very cool! > I actually used "p=reject sp=none" on one domain for a while. The > problem was I managed mail server for the main domain but I didnt have > access to any of the subdomains. It took some time to find out which > subdomains are used for sending emails and create their own p=none DMARC > policies. Surely all of that subdomain sending information would have been visible to you in aggregate DMARC reports within days of publishing a p=none record for the parent domain, long before you reached the point where you could safely switch to p=reject? - Roland _______________________________________________ dmarc-discuss mailing list [email protected] http://www.dmarc.org/mailman/listinfo/dmarc-discuss NOTE: Participating in this list means you agree to the DMARC Note Well terms (http://www.dmarc.org/note_well.html)
