I would like to humbly disagree.

The trailing "." is valid as a reference to the root domain of the
internet.  It could be interpreted as ("." NULL)

Without the period, internal routing of larger mail systems can route
internally.  A domain ending in "." is outright referencing to the root
domain of the internet.

That said, I don't know very many people who bother with it (just a few
of us network admin guys).

I'd recommend it preserves the trailing ".", but treats it the same as
without the trailing "."

- Jason



-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
On Behalf Of Shiloh Jennings
Sent: Sunday, October 29, 2006 6:02 PM
To: [email protected]
Subject: [xmail] Re: Local domain and trailing dot


Regardless of the RFC, ignoring a trailing dot would be helpful for end
users.  For example, a user might write "My email address is
[EMAIL PROTECTED]"  When the recipient clients on [EMAIL PROTECTED], the
dot
afterwards may be picked up as part of the mailto link.  I realize this
is a
customer confusion issue that can easily be blamed on the client
software,
but it can easily be fixed at the server level (which is what sendmail
already does).

-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
On
Behalf Of Davide Libenzi
Sent: Sunday, October 29, 2006 5:25 PM
To: [email protected]
Subject: [xmail] Re: Local domain and trailing dot


On Wed, 9 Nov 2005, Francesco Vertova wrote:

> 
> At 12.45 09/11/05, you wrote:
> 
> >[EMAIL PROTECTED] <> wrote on Tuesday, November 08, 2005
6:41
PM:
> >
> > > I dunno exactly what RFC says about that. I guess the hostname
> > > "domain.net." is valid, but i have no idea how this DNS issue
should
> > > be treated in SMTP.
> >
> >FYI: Sendmail ignores the trailing dot. Maybe XMail should treat it
like
> >Sendmail, shouldn't it?
> 
> AFAIK the trailing dot is perfectly legal (or even required,
sometimes).
> 
> I think XMail should consider "domain.net" and "domain.net." as 
> equivalent in handling local domains (without having to add lines in 
> domains.tab or aliasdomain.tab).

Ok, this comes from 2005 but I'm going through stuff to include in 1.23.
The trailing dot is not legal, according to section 4.1.2 of:

http://www.faqs.org/rfcs/rfc2821.html

Path = "<" [ A-d-l ":" ] Mailbox ">"
Mailbox = Local-part "@" Domain
Domain = (sub-domain 1*("." sub-domain)) / address-literal
sub-domain = Let-dig [Ldh-str]



- Davide


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