`Content-Transfer-Encoding' & SendMail

Gerard Seibert gerard-seibert at suscom.net
Tue Jul 19 22:51:14 GMT 2005

On Tuesday, July 19, 2005 10:16:00 AM Chuck Swiger <cswiger at mac.com>

> Gerard Seibert wrote:
> [ ...relaying email via your ISP... ]
> > Content-Transfer-Encoding: quoted-printable
> > 
> > I do not want to use that encoding specifically at all times. Even when
> > set within my mail program for something else, such as 8-bit, it is
> > still converted to the above format.
> > 
> > What can I do to prevent this from happening?
> Nothing, really.  Any MTA along the delivery path is allowed to change the 
> encoding to quoted-printable, and many MTA's will do so even if the other side 
> advertizes the 8BITMIME ESMTP extension.
> You can avoid seeing that header if you send mail that does not contain 
> non-printable characters, or if the receiving MTA converts the mail back to an 
> 8-bit format.
> -- 
> -Chuck

********** Reply Separator **********
Tuesday, July 19, 2005 6:46:32 PM

If I send a message through my ISP and do not use SendMail, the mail
arrives as I sent it. If I throw SendMail into the mix, it always
arrives as quoted-printable.

I checked with my ISP. They claim that the mail is being changed on my
end. They do not alter the Content-Transfer-Encoding method.

Gerard E. Seibert
gerard-seibert at suscom.net

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