[Sheflug] NTL and email addresses

["Stephen J. Turnbull" <nospam [at] sk.tsukuba.ac.jp>]

>>>>> "Simon" == Simon Brown <simon [at] cliffestones.demon.co.uk> writes:

    Simon> NTL's smtp server rejected it as an invalid email address
    Simon> as it contains control characters. I was wondering if
    Simon> anyone knew which characters are illegal in e-mail
    Simon> addresses and in which part?

See RFC 822 for all the gory details.  Maybe some of RFC 821.

Basically, you're restricted to the printing characters 0x21-0x7E, and
the whitespace characters TAB, LF, CR, and SPC.  (Strictly speaking,
lines are supposed to be separated by CRLF and naked CRs and LFs are
not supposed to appear IIRC, but MUAs hide that from you.)  Some of
the characters have reserved meaning to an 822-conformant parser.

    Simon> I think I remember reading that you can now get multi byte
    Simon> domains

Not really, at least not if it's the stuff that was popular in Japan a
few months back.  It's UTF-7, which is just a transformation format of
Unicode that uses only mail-safe bytes.



Also has anyone out there got NTL's smtp server to relay there mail. It
just seems to send mine into a black hole somewhere 


Simon.

-- 
Simon Brown, Simon at cliffestones.demon.co.uk
DH/DSS Public key 0x93BE39C9
RSA    Public key 0x9052E271


---------------------------------------------------------------------
Sheffield Linux User's Group - http://www.sheflug.co.uk
To unsubscribe from this list send mail to
- <sheflug-request [at] vuw.ac.nz> - with the word 
 "unsubscribe" in the body of the message. 

  GNU the choice of a complete generation.


-- 
University of Tsukuba                Tennodai 1-1-1 Tsukuba 305-8573 JAPAN
Institute of Policy and Planning Sciences       Tel/fax: +81 (298) 53-5091
_________________  _________________  _________________  _________________
What are those straight lines for?  "XEmacs rules."
---------------------------------------------------------------------
Sheffield Linux User's Group - http://www.sheflug.co.uk
To unsubscribe from this list send mail to
- <sheflug-request [at] vuw.ac.nz> - with the word 
 "unsubscribe" in the body of the message. 

  GNU the choice of a complete generation.