1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/thesis/fig/mta-channels.pic	Sat Feb 07 22:39:07 2009 +0100
     1.3 @@ -0,0 +1,24 @@
     1.4 +.PS
     1.5 +# in and out channels of an mta
     1.6 +
     1.7 +linewid = 1.5
     1.8 +
     1.9 +
    1.10 +A: box "MTA" wid 1.5*boxwid ht 1.5*boxht
    1.11 +
    1.12 +line <- left from 0.3<A.w,A.nw> "remote (SMTP)" above
    1.13 +line <- left from 0.3<A.w,A.sw> "local (stdin)" below
    1.14 +
    1.15 +line -> right from 0.3<A.e,A.ne> "remote (SMTP)" above
    1.16 +line  right linewid*2/3 from 0.3<A.e,A.se> "local (pipe)" below
    1.17 +line -> down 1/6*linewid
    1.18 +B: box "MDA" wid 0.75*boxwid ht 0.75*boxht
    1.19 +
    1.20 +move 0.5*moveht
    1.21 +
    1.22 +C: box invis "mailboxes" ht 0.3
    1.23 +
    1.24 +arrow from 0.35<B.sw,B.se> to 0.2<C.nw,C.ne>
    1.25 +arrow from 0.45<B.sw,B.se> to 0.4<C.nw,C.ne>
    1.26 +arrow from 0.55<B.sw,B.se> to 0.6<C.nw,C.ne>
    1.27 +arrow from 0.65<B.sw,B.se> to 0.8<C.nw,C.ne>