send e-mail without use sendmail

[Alan Cox]

On Wed, 31 Oct 2007 20:41:28 -0600
Frank Cox <theatre at sasktel.net> wrote:

> On Wed, 31 Oct 2007 12:05:11 -0500
> Les Mikesell <lesmikesell at gmail.com> wrote:
> 
> > You must have a real domain name to send email. 
> 
> Is there any technical reason (other than "we hate spammers") why email can't
> be sent to an IP address instead of a domain name?
> 
> I know that mail sent to joeblow at 123.456.789.001 doesn't work, but have never
> really understood why...

Try @[1.2.3.4] not @1.2.3.4

(and no - most people don't allow it any more)


Alan