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From: Valdis.Kletnieks () vt edu
Date: Sat, 26 May 2001 00:20:36 -0400

On Fri, 25 May 2001 18:12:30 EDT, Steve Sobol said:
Perhaps there is no inherent difference in throughput, but the files are
necessarily larger when sent through e-mail, as they must be base64

There's no *inherent* reason they *must* be base64 encoded.  Please note
that all the way back in RFC1341, in addition to a CTE of 'base64', there's
the '8bit' and 'binary' CTEs.  Sendmail started having sane support of '8bit'
way back in 8.7, in 1995.  RFC3030 defines the BDAT extension for SMTP.

Now, the major real-life reason why encoding is needed is because
Sendmail 8.12 still doesn't have BDAT support.  If there's sufficient
real-world demand, it's probably implementable fairly easily (a quick
readig of RFC3030 and the Sendmail 8.12 source doesn't pop out any
astounding show-stoppers)...

If there's a lot of demand for it, I'll see what it would take to get
it onto the Sendmail 8.13 feature request list....

                                Valdis Kletnieks
                                Operating Systems Analyst
                                Virginia Tech

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