oops - typo in post not in code
(I changed the varname for the post).
(s/WHOFOR/ANDY/).
that bit of code should be:
:0
# if locally deliverable
* |/usr/sbin/sendmail -bv $WHOFOR >/dev/null
# then deliver it
! $WHOFOR(_at_)localhost
questions still apply
andy
I'm fetching multi-recipient mail from one
mailbox with pop3 and feeding to sendmail and hence
procmail. On each mail in there is a Delivered-To
field with a codified version of the original
intended recipient (all receipients in the
same domain).
I want a recipe that extracts that coded
address from a Delivered-To field
(I can do this), checks whether that address is
locally deliverable
and if it is delivers it and otherwise delivers the
mail to
some specificed local account (such as root) instead
of bouncing it.
What's wrong with this (which doesn't work - I
commented it
for explanation here):
:0c
# extract real destination - this part works
WHOFOR|/bin/egrep '^Delivered-To:' | sed -e
's/^.*zz_plusz-axelrod-//;s/@.*//'
:0
# if locally deliverable
* |/usr/sbin/sendmail -bv $ANDY >/dev/null
# then deliver it
! $WHOFOR(_at_)localhost
:0
# else deliver it to root
! root(_at_)localhost
#fi
Some questions:
1. How can I have a condition that runs a program
and
is true if the return code is 0 and false otherwise
(as in the attempt with sendmail -bv here).
2. If this runs as root are there any looping
problems ?
Presumably on delivery this script will be called
again.
What if it doesn't run as root or
non-locally-delivered gets
sent to some other account and then mail arrives for
that account ?
3. If I dump the attempt to filter and deliver the
non-locally
deliverable then delivery seems to work. BUT - since
delivery
calls this script recursively (I think) why doesn't
it loop
endlessly ? Does the delivery line somehow avoid
procmail
being called ? In other words why isn't this
:0
! someone(_at_)localhost
an infinite recursion - is procmail not called in
its delivery ?
How does this work from a .procmailrc called as
normal from
sendmail.
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