Re: is this possible - bcc -> to rewrite

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著者: Philip Hazel
日付:  
To: mark david mcCreary
CC: exim-users
題目: Re: is this possible - bcc -> to rewrite
On Sun, 19 Oct 1997, mark david mcCreary wrote:

[Your long, one-line, paragraphs reformatted to a more usual line length.]

> I would like my Smartlist mailing list to have the addresses go out in the

To: line, instead of the Bcc (which is how it works now). That way people
would know what address they are subscribed under, and make bounce detection
much easier.

Can you not persuade Smartlist to send out messages to one recipient at
a time?

> If I were to put max_rcpt to 1, would it be possible to rewrite

headers and take the one address out of the bcc spot and move it up to
the To: line ?

You may be able to do this with "remove_headers" and "add_headers", and
you can do anything you like to a message with a transport filter, but you
would be going against the advice of RFC 821:

When the same message is sent to multiple recipients the SMTP
encourages the transmission of only one copy of the data for all the
recipients at the same destination host.

There are people who believe that this is not the right way to do
things, and there have been long "religious" arguments on the topic. If
you are sending out a message to a large number of recipients down a
slow connection and many of them cause it to go to the same remote host,
you gain quite a lot by following RFC 821's advice.

> That is, I want the people on the mailing list to see their address in

the To: line, but not see anybody else's. Not even other people at the
same domain.

Personally, I'm quite happy to see something like

To: exim-users@???

in the To: line. I know which lists I'm subscribed to. :-) In fact, I
*don't* want my own address in the To: line of mail from lists. When I
go on vacation, my vacationing system is set up to reply automatically
only to messages that have my own address in the To: line, and I
certainly wouldn't want to reply to mailing lists.

-- 
Philip Hazel                   University Computing Service,
ph10@???             New Museums Site, Cambridge CB2 3QG,
P.Hazel@???          England.  Phone: +44 1223 334714



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