Anyone heard of any problems with all-numeric mail domain labels? e.g. dot@0010111001000000.dotat.at They are OK in theory according to RFC 1123, but I want to know about operational experience.
Some people cause trouble by their mere existence…
Tony Finch – blog
Anyone heard of any problems with all-numeric mail domain labels? e.g. dot@0010111001000000.dotat.at They are OK in theory according to RFC 1123, but I want to know about operational experience.
Some people cause trouble by their mere existence…