FWIW, I keep an xyz tld for test purposes. Point dot com to production and dot xyz for test. Yes I know there are ways to do this with a subdomain, but dot xyz is really cheap.
I never investigated if there production users of xyz. Original Message From: Viktor Dukhovni Sent: Monday, November 16, 2015 10:35 PM To: postfix-users@postfix.org Reply To: postfix-users@postfix.org Subject: Re: rejecting email from specific domains On Mon, Nov 16, 2015 at 11:31:23PM -0600, Chris Boylan wrote: > So if I build a one line /etc/postfix/access with > .xyz REJECT http://www.postfix.org/postconf.5.html#parent_domain_matches_subdomains If smtpd_acces_maps is included, then the key is "xyz" not ".xyz". You can always list both, but I think it rather risky to block an entire gTLD. -- Viktor.
