Somewhat OT email addresses

[Jeff Kinz]

On Thu, Feb 16, 2006 at 01:29:32PM +1100, Graeme Nichols wrote:
> Hello Folks,
> 
> I know this is somewhat OT but I was wondering if it is possible to send 
> an email with an address in the following format; username@[IP address]

Yes, it works.  I've done it.  May not work for all MTA's.  Some
may require a domain name.


> I have been fiddling around because a person with whom I was writing to 
> has suddenly become unknown, possibly because of DNS failure, I'm not 
> sure, and the mail is returned undeliverable as the domain is unknown. 
> They are having the same problem sending mail to me.
> 
> I did a ping on my ISP's SMTP mail server and while there was a 100% 
> failure rate on the packets, most probably due to some firewall setting, 
> I was given the IP address, in this case, 203.12.160.34
> 
> I sent a test email to name at 203.12.160.34 but it bounced with the 
> following error;
> 
> 553 5.3.5 203.12.160.34 config error: mail loops back to me (MX problem?)
> 554 5.3.5 Local configuration error
> 
> Is it possible to do what I am trying and circumvent the DNS?
> 
> If SKP can help me I would appreciate it.
> 
> -- 
> 
> ----------------------------------------------------------------------
> Kind regards,
> 
> Graeme.
> ----------------------------------------------------------------------
> 
> Happiness is having a scratch for every itch.
> 		-- Ogden Nash
> 
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-- 
Jeff Kinz, Emergent Research, Hudson, MA.
speech recognition software may have been used to create this e-mail

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