send(1) says that when constructing the headers for the BCC recipient,
that it:
Prior to sending the message, the fields "From: user@local", and
"Date: now" will be appended to the headers in the message. If the
environment variable $SIGNATURE is set, then its value is used as your
So, a couple of things here:
- I think everyone agrees this particular man page is out of date on your
installation, because the man page shipped in 1.5 doesn't have this text.
- The relevant text from the 1.5 man page (which has been unchanged forever)
says this:
If a “Bcc:” field is encountered, its addresses will be used for deliv‐
ery, and the “Bcc:” field will be removed from the message sent to
sighted recipients. The blind recipients will receive an entirely new
message with a minimal set of headers. Included in the body of the
message will be a copy of the message sent to the sighted recipients.
The key here being “minimal set of headers”.
- But … there's still a bug here, and it turns out it's my fault.
Back when I made the changes for requiring a “From” header in drafts I
went through and removed a bunch of code that put in a “From” header
when there wasn't one (commit 15e3d453f414fc1b815ec4895960cad312e78ef9).
But that removed the code in make_bcc_file() that would add a
“From” header to the Bcc draft. Looking at that code now, I
realize the logic was wrong; it would add a “Sender” field to the Bcc
draft if the ORIGINAL draft message contained a “From” header, otherwise
it would add a “From” header. Clearly the code was a cut and paste from
other sections, so I thought it behaved the same way; my mistake.
So, this is the problem Michael is having; there's no “From” header, so
his SMTP server is inserting it's own and it's not what he wants. Seems
to me the obvious solution is to make sure the Bcc draft contains a
“From” header, and the obvious answer is to use the “From” header from
the original draft. Objections to this change?
--Ken
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