Re: Whether 8-bit SMTP? And how?

[Keld J|rn Simonsen <keld@xxxxxxxx>]

> The list of acceptable control characters from C0 is thereby reduced to
> 
> 	BS, HT, LF, VT, FF, CR (format effectors)
> 	SO, SI, ESC (code extension control characters)
> 	IS1, IS2, IS3, IS4 (US, RS, GS, FS) (information separators)
> 	BEL, EM (from other control characters)
> 
> Is this an acceptable list to others, too?

The excluded characteres are then:

NUL, SOH, STX, ETX, EOT, ENQ, ACK, DLE, DC1, DC2, DC3, DC4, NAK, SYN,
ETB, CAN, SUB.

The only one from this list that I could see a use for is the SUB -
SUBSTITUTE CHARACTER which is intended to be "used in the place of
a character that has been found to be invalid or in error".

I use some of the IS characters.

But I think we should not restrict the RFCs as this may break
some perfectly valid implementations out there.

keld