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Article #1052

Rand MH: why do bcc recipients see each other's addresses?

#1052
From: Joseph Truitt
Date: Thu, 13 Aug 1992 06:05
43 lines
1949 bytes
I'm running the Rand Mail Handler 6.6 on IRIX 4.0.x on SGI boxes.
No aliases are used in the example below.

If I send a piece of mail like this in mh from joseph@biocad.com:

  To: joseph
  Bcc: fred@falafel.com, betty@blink.com, mindy@biocad.com
  Subject: foo

  body

Then, it appears like this in fred's, betty's, and mindy's mailboxes:

  From: joseph@biocad.com
  Subject: foo
  Apparently-To: fred@falafel.com
  Apparently-To: betty@blink.com
  Apparently-To: mindy@biocad.com

  ------- Blind-Carbon-Copy

  From: joseph
  To: joseph
  Subject: foo

  body

  ------- End of Blind-Carbon-Copy

Multiple Apparently-To's, one for each bcc recipient, appear when one
or more of the bcc addresses are _outside_ of the biocad domain.  Is
there any way to prevent this?  It does not happen if every bcc
recipient is _in_ the biocad domain.  Berkeley Mail doesn't have this
problem at all (I tried it), which may mean that my sendmail.cf is not
at fault, but I'm really not sure what to check, next.  Suggestions?
(besides maintaining separate alias lists for mh and berzerkley mail)

 ____________________________________________________________________
|                                                                    |
| joseph@biocad.com 415/903-3923                                     |
|                                                                    |
| "I believe we are on an irreversible trend toward more freedom and |
| democracy - but that could change."  --V.P. Dan Quayle             |
Technical Details
Message-ID: <9208130605.AA03028@valis.biocad.com>
Path: arc1-ca.pugleaf.net!sparky!uunet!cs.utexas.edu!sun-barr!ames!elroy.jpl.nasa.gov!usc!sdd.hp.com!hplabs!ucbvax!valis.biocad.COM!joseph

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Path: arc1-ca.pugleaf.net!sparky!uunet!cs.utexas.edu!sun-barr!ames!elroy.jpl.nasa.gov!usc!sdd.hp.com!hplabs!ucbvax!valis.biocad.COM!joseph
From: joseph@valis.biocad.COM (Joseph Truitt)
Newsgroups: comp.mail.misc
Subject: Rand MH: why do bcc recipients see each other's addresses?
Message-ID: <9208130605.AA03028@valis.biocad.com>
Date: 13 Aug 92 06:05:26 GMT
Sender: daemon@ucbvax.BERKELEY.EDU
Lines: 45