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complete rework of ch04
author meillo@marmaro.de
date Thu, 05 Feb 2009 11:34:20 +0100
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1 .PS
2 # in and out channels of an mta
3
4 linewid = 1.5
5
6
7 A: box "MTA" wid 1.5*boxwid ht 1.5*boxht
8
9 line <- left from 0.3<A.w,A.nw> "remote (SMTP)" above
10 line <- left from 0.3<A.w,A.sw> "local (stdin)" below
11
12 line -> right from 0.3<A.e,A.ne> "remote (SMTP)" above
13 line right linewid*2/3 from 0.3<A.e,A.se> "local (pipe)" below
14 line -> down 1/6*linewid
15 B: box "MDA" wid 0.75*boxwid ht 0.75*boxht
16
17 move 0.5*moveht
18
19 C: box invis "mailboxes" ht 0.3
20
21 arrow from 0.35<B.sw,B.se> to 0.2<C.nw,C.ne>
22 arrow from 0.45<B.sw,B.se> to 0.4<C.nw,C.ne>
23 arrow from 0.55<B.sw,B.se> to 0.6<C.nw,C.ne>
24 arrow from 0.65<B.sw,B.se> to 0.8<C.nw,C.ne>