--- a/thesis/img/Makefile	Tue Jan 13 17:18:40 2009 +0100
+++ b/thesis/img/Makefile	Wed Jan 14 12:22:02 2009 +0100
@@ -12,6 +12,7 @@
 stunnel.eps \
 mail-agents.eps \
 masqmail-typical-usage.eps \
+masqmail-channels.eps \
 
 
 .PHONY: all

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/thesis/img/masqmail-channels.pic	Wed Jan 14 12:22:02 2009 +0100
@@ -0,0 +1,28 @@
+.PS
+# in and out channels of masqmail
+
+linewid = 1.5
+
+
+A: box "masqmail" wid 1.5*boxwid ht 1.5*boxht
+
+line <- left from 0.5<A.w,A.nw> "remote (SMTP)" above
+line <- left from 0.5<A.w,A.sw> "local (stdin)" above
+
+line -> right from 0.7<A.e,A.ne> "remote (SMTP)" above
+line -> right from A.e "local (pipe)" above
+box "command" wid boxwid ht 0.5*boxht
+line  right from 0.7<A.e,A.se> "local (delivery)" above
+line down .1
+move 0.5*moveht
+C: box invis "mailboxes" ht 0.3
+
+arrow from last line.end to 0.2<C.nw,C.ne>
+arrow from last line.end to 0.4<C.nw,C.ne>
+arrow from last line.end to 0.6<C.nw,C.ne>
+arrow from last line.end to 0.8<C.nw,C.ne>
+
+line <- up from A.n
+box invis ht 0.3 "online state"
+
+.PE

--- a/thesis/img/masqmail-typical-usage.pic	Tue Jan 13 17:18:40 2009 +0100
+++ b/thesis/img/masqmail-typical-usage.pic	Wed Jan 14 12:22:02 2009 +0100
@@ -8,7 +8,7 @@
 
 
 down
-line <-
+line <->
 ISP: ellipse "ISP"
 line <-
 R: box invis "router" ht .2
@@ -41,7 +41,9 @@
 #circle "mail" "box" with .w at ISP.e
 
 ]
+"Scenario 1" with .nw at last [].nw +(0.4,-0.1)
 
+move to last [].e
 
 move
 
@@ -52,7 +54,7 @@
 lineht = 0.3
 
 down
-line <-
+line <->
 ISP: ellipse "ISP"
 line <-
 R: box invis "router" ht .2
@@ -81,5 +83,6 @@
 #circle "mail" "box" with .w at S.e
 
 ]
+"Scenario 2" with .nw at last [].nw +(0.4,-0.1)
 
 .PE