著者: Randy Bush 日付: To: Craig Whitmore CC: exim users 題目: Re: [exim] HELO id check too strict?
> hostnames cannot have _'s in them.. _'s can be used but not for > hostnames of computers on the internet. (feel free to use them if you
> are not connected to the internet)
>
> I don't want to argue.. read the RFC's.. read
> http://en.wikipedia.org/wiki/Hostname >
>
> if you want to put a _ in your hostname or accept _'s in HELO's then its
> up to you.. but aren't playing nice on the internet
thanks for telling me. i just have no clue about the dns.