1 .PS

2 # proxy-setup

3

4 linewid = 0.5

5 lineht = 0.3

6

7 externlen = 0.8

8

9 L: box wid 4.2 ht 1.3

10 box invis

11

12

13 P25: box wid 0.3 ht 0.3 with .e at 0.40<L.nw,L.sw> "25"

14 left

15 line <- externlen from P25.w "SMTP" "from remote "

16

17 right

18 line -> right from P25.e "SMTP" ""

19 box "proxy"

20 arrow "SMTP" ""

21

22 Pi: box wid 0.3 ht 0.3 "X"

23 arrow "SMTP" ""

24

25 M2: box "masqmail"

26 arrow linewid*1.8 from 0.20<M2.ne,M2.se> "SMTP" ""

27 box wid 0.3 ht 0.3 ""

28 line -> externlen "SMTP" "to remote"

29 arrow linewid*2/3 from 0.50<M2.ne,M2.se>

30 box "pipe" ht 0.16 wid 0.4

31 arrow right from 0.80<M2.ne,M2.se> then down 0.2

32 "" "mailbox"

33

34 line <- down left from 0.75<M2.nw,M2.sw> "" "" " stdin"

35 box invis ht 0.3 "" "sendmail" "command"

36

37

38 #box dashed "remote" "host"

39

40 #spline -> from P465.e right 0.4 then to 0.5<P465.s, P25.n> then to P25.w-(0.4,0) then to P25.w "stunnel"

41

42 #right

43 #line -> 0.5 right from P25.e "SMTP" "(unencrypted)"

44 #box "MTA"

45

46

47 .PE