Re[2]: [Exim] Help with acceping underscore in FROM:

Góra strony
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Autor: Richard Welty
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Dla: exim-users
Temat: Re[2]: [Exim] Help with acceping underscore in FROM:
On Thu, 17 Apr 2003 17:29:25 +0100 Drav Sloan <holborn-exim@???> wrote:
> It is worth noting that a hostname containing '_' is illegal by DNS
> RFC.


er, no, not in the _DNS_ RFC. hostnames containing '_' are prohibited in a
different RFC, and the context of that prohibition is restricted to SMTP.

> Of course the only hosts that seem to use them are Microsoft
> based OSes. :(


this is an artifact of the old non-TCP/IP M$ LAN support. back in those
days, M$ actually taught their users that '_' in a hostname was good and
'-' in a hostname was bad.

richard
--
Richard Welty                                         rwelty@???
Averill Park Networking                                         518-573-7592
              Unix, Linux, IP Network Engineering, Security