On the Exim mail list, there is a recent, long thread on this issue. The problem is that Microsoft allows this non RFC-compliant naming on Exchange servers.
http://www.exim.org/mailman/htdig/exim-users/Week-of-Mon-20030623/055701.htm l Steve B. ----- Original Message ----- From: "James Bucanek" <[EMAIL PROTECTED]> To: "James Users List" <[EMAIL PROTECTED]> Sent: Thursday, July 17, 2003 3:49 PM Subject: Re: Why does James reject email addresses with "_" in the hostname? > Chuck Simpson wrote on Thursday, July 17, 2003: > > >My hostname has an underscore character '_' in it > > Your hostname is incorrect. > > > and when I run the > >first test to check sendmail relaying to James I get the following in > >the smtpserver log: > > > >Error parsing sender address: \ > > [EMAIL PROTECTED]: Invalid character at 13 > > I'm no James expert, but to the best of my knowledge underscores have never been a legal character in an Internet host name. > > >I rechecked RFC822 and it does not proscribe underscores in hostnames. > >Why does James not handle this? > > RFC 822 only defines the format of mail messages. It doesn't define the format of addresses used to identify the recipient or sender. 822 compliant mail *could* be used in internal mail systems that aren't sent using Internet addresses and therefor would not have to conform to Internet address formats. > > RFC 952 <http://www.faqs.org/rfcs/rfc952.html> is what specifies the format of a host name on the Internet: > > 1. A "name" (Net, Host, Gateway, or Domain name) is a text string up to > 24 characters drawn from the alphabet (A-Z), digits (0-9), minus sign > (-), and period (.). > > ______________________________________________________ > James Bucanek <mailto:[EMAIL PROTECTED]> > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
