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Rewriting headers
Hi,
I am using zmailer (2.99.49p9) as the MTA on my Debian
GNU/Linux workstation. I use dialup PPP to connect to my ISP,
which dynamically allocates an IP address each time I make a
connection. I get my email from a POP3 mailbox provided by my
ISP. Pretty standard, huh?
I have read the documentation supplied with the Debian
zmailer package, along with the 1998 zmailer mailing list archive,
and I have subscribed to this (zmailer) mailing list. I have hit
a bump in the road trying to configure zmailer to do exactly what
I want it to do, any suggestions would be greatly appreciated.
Here is my /etc/mail.conf, actually the results produced by
the mailconf function (zm1 is just some commands to echo the
values),
z$ . zm1
hostname = `eden-sda2'
orgdomain = `'
mydomain = `erols.com'
So, here is a synopsis of my situation.
1. I want to be able to send all outbound (smtp) mail with the
envelope and message headers as follows,
EHLO $hostname
MAIL From:<jeffsh@erols.com>
not, as is currently the case ->
MAIL From:<$user@erols.com>
FROM: $gecos_name <jeffsh@erols.com>
SENDER: $user@$hostname
or ->
SENDER: $user
not, as is currently the case ->
SENDER: $user@erols.com
2. I want to be able to send and receive local (intramachine)
mail locally(!), with the mail identified as follows,
FROM: $user
or ->
FROM: $user@$hostname
TO: $user_to
I would also like to see the $gecos_name appear in these local
headers too, but it really isn't that important. Otherwise, the
local headers are ok, except notice that in these syslog messages
regarding local mail, how `erols.com' ($mydomain) has appeared,
Mar 21 21:08:40 eden-sda2 router[606]: S.qxOMS166109: \
from=<jeff@erols.com>, rrelay=jeff@localhost size=95, \
^^^^^^^^^^^^^^
nrcpts=1, msgid=<19990322020840Z166109-606+2@eden-sda2>
Mar 21 21:08:48 eden-sda2 mailbox[1070]: S.qxOMS166109: \
to=<jeff@erols.com>, delay=00:00:18, xdelay=00:00:00, \
^^^^^^^^^^^^^^
mailer=local, stat=ok3 Ok
And here is the router -i output for some addresses,
z$ router jeff
<jeff.interactive@eden-sda2>: address: jeff
(((local jeff jeff@erols.com default_attributes)))
z$ router jeffsh #this is /etc/alias-ed to jeffsh@erols.com
<jeff.interactive@eden-sda2>: address: jeffsh
(((smtp erols.com jeffsh@erols.com g0)))
z$ router jeffsh@erols.com
<jeff.interactive@eden-sda2>: address: jeffsh@erols.com
(((smtp erols.com jeffsh@erols.com default_attributes)))
The biggest problem is the `MAIL From:<$user@erols.com>', as
this is a real big lie.
The following is the set of diffs that comprise my complete
zmailer configuration,
===================================================================
RCS file: /etc/zmailer/cf/RCS/crossbar.cf,v
retrieving revision 1.1
diff -u -r1.1 /etc/zmailer/cf/crossbar.cf
--- /etc/zmailer/cf/crossbar.cf 1999-03-14 14:08:23-05 1.1
+++ /etc/zmailer/cf/crossbar.cf 1999-03-14 20:29:05-05
@@ -60,8 +60,8 @@
;;
error) rewrite=null ;;
local) case "$(channel $from)" in
- local) #rewrite=intramachine
- rewrite=internet ;;
+ local) rewrite=intramachine ;;
+ #rewrite=internet ;;
*) # addresses should be saved the way they arrive
rewrite=null ;;
esac
@@ -127,6 +127,20 @@
# smtp)
smtp|smtpx|local|bsmtp3*)
tmp="$(smtproute "$(user $from)")"
+#FIX mea@nic.funet.fi Feb 16 78/2398 "Re: Rewriting headers"
+# case "$(channel $from)" in
+# local)
+# # This looks weird, doesn't it ?
+# # the 'host' component contains FQDN form of
+# # address on 'local' channels, others have it
+# # also in the 'user' part.
+# tmp="$(smtproute "$(host $from)")"
+# ;;
+# *)
+# tmp="$(smtproute "$(user $from)")"
+# ;;
+# esac
+#FIX DONT use it yet (it makes From: jeffsh@erols.com -> jeff@erols.com)??
sift "$tmp" in
(@$hostname[:,].*)|([^@:,]+@$hostname)
break ;;
@@ -253,11 +267,12 @@
# 'hname' is the header whose address(es) we are rewriting;
# value here is usually: 'From', 'To', etc.
-# # Alexis Yushin <alexis@NL.net> mentioned that he does following:
-# $(sender) && {
-# local tmp
-# tmp=$(masquerades $address) && address=$tmp
-# }
+ # See: Alexey Gadzhiev Feb 12 26/799 "Re: Rewriting headers"
+ # Alexis Yushin <alexis@NL.net> mentioned that he does following:
+ $(sender) && {
+ local tmp
+ tmp=$(masquerades $address) && address=$tmp
+ }
address="$(canonicalize "$address")" # Canonicalize does local
# hostname hiding...
===================================================================
RCS file: /etc/zmailer/db/RCS/localnames,v
retrieving revision 1.1
diff -u -r1.1 /etc/zmailer/db/localnames
--- /etc/zmailer/db/localnames 1999-03-13 17:23:35-05 1.1
+++ /etc/zmailer/db/localnames 1999-03-19 17:11:55-05
@@ -3,5 +3,7 @@
#c thus having multiple machines on the same mailer..
#d
-#archie archie.funet.fi
-#archie.funet.fi
+EDEN-SDA2 eden-sda2
+LOCALHOST localhost
+eden-sda2 eden-sda2
+localhost localhost
===================================================================
RCS file: /etc/zmailer/db/RCS/masquerades,v
retrieving revision 1.1
diff -u -r1.1 /etc/zmailer/db/masquerades
--- /etc/zmailer/db/masquerades 1999-03-14 19:25:48-05 1.1
+++ /etc/zmailer/db/masquerades 1999-03-14 19:52:44-05
@@ -1,4 +1,4 @@
-jeff jeffsh@erols.com
-jss jeffsh@erols.com
-luser jeffsh@erols.com
-root jeffsh@erols.com
+jeff@erols.com jeffsh@erols.com
+jss@erols.com jeffsh@erols.com
+luser@erols.com jeffsh@erols.com
+root@erols.com jeffsh@erols.com
===================================================================
RCS file: /etc/zmailer/RCS/router.cf,v
retrieving revision 1.1
diff -u -r1.1 /etc/zmailer/router.cf
--- /etc/zmailer/router.cf 1999-03-14 19:15:24-05 1.1
+++ /etc/zmailer/router.cf 1999-03-14 19:23:04-05
@@ -60,6 +60,15 @@
test -f $MAILSHARE/cf/i-${method}.cf && . i-${method}.cf
done
+# Load envelope masquerading database.
+# See: Alexey Gadzhiev Feb 12 26/799 "Re: Rewriting headers"
+
+if [ -r $MAILVAR/db/masquerades ] ; then
+ relation -lmt unordered -f $MAILVAR/db/masquerades masquerades
+else
+ masquerades () { return 1 }
+fi
+
mailconf () {
orgdomain=$(/bin/hostname --domain)
hostname=$(/bin/hostname --fqdn)
===================================================================
RCS file: /etc/zmailer/RCS/zmailer.conf,v
retrieving revision 1.1
diff -u -r1.1 /etc/zmailer/zmailer.conf
--- /etc/zmailer/zmailer.conf 1999-03-13 18:15:10-05 1.1
+++ /etc/zmailer/zmailer.conf 1999-03-14 11:06:41-05
@@ -73,7 +73,8 @@
# address verification options they can be specified here. The default
# value is "-asve". This is also used, when invoking ``sendmail'' with
# "-bs" option.
-SMTPOPTIONS="-a -sve -l /var/log/mail/smtpserver"
+##SMTPOPTIONS="-a -sve -l /var/log/mail/smtpserver"
+SMTPOPTIONS="-a -sve"
# ALLOWSOURCEROUTE (when present) stops the system from ignoring
# the old RFC821/822 source routes of type: @a,@b:c@d; By "ignoring"
@@ -86,11 +87,12 @@
# non-default logging options, the can be specified here. The default
# value is ""
#
-SCHEDULEROPTIONS="-l /var/log/mail/scheduler.perflog -S -H"
+##SCHEDULEROPTIONS="-l /var/log/mail/scheduler.perflog -S -H"
+SCHEDULEROPTIONS="-S -H"
# ROUTEROPTIONS are command line options given to the router when started
# from the zmailer shell script. The default values are "-dkn 4"
-ROUTEROPTIONS="-dkn 4"
+ROUTEROPTIONS="-dkn 1"
# Here you can put any ZM ``environment'' variables you want to place in
# the system-wide configuration file (/etc/zmailer.conf). Typically this
@@ -167,7 +169,7 @@
# This really should be done with some system ioctl(), but those are
# damn varying, and often still do kmem reads...
#SELFADDRESSES=[1.2.3.4],[2.3.4.5],[ipv6.::1.2.3.4]
-SELFADDRESSES=
+SELFADDRESSES=[127.0.0.1]
# What kind of DB type we prefer to use ? We can support several,
# after all... btree/ndbm/gdbm ... (DBEXT: pag/db/dat)
===================================================================
Thanks in advance for any and all help,
--
Jeff Sheinberg <jeffsh@erols.com>