Suggestions on One-Time Mailing

Don dnrlinux at san.rr.com
Fri Dec 19 00:06:34 UTC 2003


On Thu, 2003-12-18 at 15:46, Brad Kittredge wrote:

> The list recipients aren't seen anywhere.

Eggsactly! And that's the most efficient way to send a message to a lot
of people.... the SMTP RCPT TO: headers list all recipients, regardless
of "to:", "cc" or "bcc". That's because the to, cc and bcc headers are
part of the rfc822 headers and are not even looked at by smtp servers
along the way.

(In fact, I wrote some code to send messages via smtp, and never put a
bcc header in the rfc822-header part... my thinking is if it's "blind"
then don't rely on the client to keep it hidden. :-) 

So "bcc" recipients always just go into the "rcpt to:" smtp headers





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