Ibrahim <[email protected]> wrote: > > We are thinking to block MX queries on our DNS server, so only spammer that > use their own SMTP server will got affected. [...] Any best practice to > block MX query?
Don't do this. It won't hinder spammers and it'll cause problems for legit users. Tony. -- f.anthony.n.finch <[email protected]> http://dotat.at/ Forties, Cromarty: East, veering southeast, 4 or 5, occasionally 6 at first. Rough, becoming slight or moderate. Showers, rain at first. Moderate or good, occasionally poor at first.
