On 05-May-04 I wrote (to spf-discuss@v2.listbox.com):
> I have found out so far that the only characters in email addresses
> accepted by all mail servers are:
> letters, digits, '_', '+', '-', '*', '='.
That is not true as I have found out in the mean-time. For example
mail.cgd.vic.gov.au does not accept '+' or '=' in the envelope sender and
another mail server does not accept '*'. So this leaves only letters,
digits, '-' and '_'.
Roger
> I have found out so far that the only characters in email addresses
> accepted by all mail servers are:
> letters, digits, '_', '+', '-', '*', '='.
That is not true as I have found out in the mean-time. For example
mail.cgd.vic.gov.au does not accept '+' or '=' in the envelope sender and
another mail server does not accept '*'. So this leaves only letters,
digits, '-' and '_'.
Roger