"John P. Rouillard" <email@example.com> writes:
# In message <199404281952.MAA20834@mango.synopsys.com>, Arnold de Leon writes:
# > Majordomo uses "hidden" aliases to actually send mail
# > to the members of the lists (typically listname-out).
# > Anyone who knows the name of the list can send mail to
# > the members directly. Sendmail version 8 makes it easier
# > for recipients to discover this name since it is very
# > good at recording envelope information in the
# > "Received" headers.
# Actually you could always get it because resend has the outgoing list
# name right in the command invocation which is viewable with SMTP vrfy.
Depends on the invocation of "resend". If you use the "@argfile"
mechanism (which allows you to put all the arguments for "resend" into
a file, then reference the filename), then you can put the outgoing
list name in the argfile, where sendmail won't see it.
I added the argfile capability because I had several lists whose
"resend" arguments were growing beyond 256 characters, but it's also
very effective at hiding information from sendmail.
For instance, the "majordomo-users" aliases here are:
majordomo-users: "|/usr/local/mail/majordomo/wrapper resend
and the file /usr/local/mail/lists/majordomo-users.resend contains:
Brent Chapman | Great Circle Associates | Call or email for info about
Brent@GreatCircle.COM | 1057 West Dana Street | upcoming Internet Security
+1 415 962 0841 | Mountain View, CA 94041 | Firewalls Tutorial dates