This is very inaccurate. I spent the last week reading over the SMTP RFC and here's a quote from page 3 section 2:
Commands and replies are not case sensitive. That is, a command or reply word may be upper case, lower case, or any mixture of upper and lower case. Note that this is not true of mailbox user names. For some hosts the user name is case sensitive, and SMTP implementations must take case to preserve the case of user names as they appear in mailbox arguments. Host names are not case sensitive.
This is reiterated several times throughout the RFC. It seems that anything that would claim full compliance would have to take care to preserve the case. This is vital.
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED]]On Behalf
> Of Magnus Bodin
> Sent: Monday, August 23, 1999 1:50 PM
> To: Russell Nelson
> Cc: [EMAIL PROTECTED]
> Subject: Re: Case Sensitive
>
>
> On Mon, 23 Aug 1999, Russell Nelson wrote:
>
> > [EMAIL PROTECTED] writes:
> > > I have qmail working quite satisfactory
> > > with help from lwq and all of you.
> > >
> > > I have now made 2 accounts
> > > [EMAIL PROTECTED]
> > > [EMAIL PROTECTED]
> >
> > Don't. It confuses people, and qmail gives you no mechanism for
> > distinguishing between them.
>
> Not just qmail. The very SMTP protocol that every MTA should conform
> to is IN-casesensitive.
>
> /magnus
>
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