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author meillo@marmaro.de
date Fri, 17 Oct 2008 12:54:07 +0200
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1 \chapter{Comparison of \MTA{}s}
2
3 % http://www.geocities.com/mailsoftware42/
4
5 \section{First release}
6 sendmail: 1983
7
8 postfix: 1999
9
10 qmail: 1996 (first beta 0.70), 1997 (first general 1.0)
11
12 exim: 1995
13
14 masqmail: 1999
15
16 exchange: 1993
17
18
19 \section{Lines of code (with sloccount on debian packages)}
20 sendmail: 93k
21
22 postfix: 92k
23
24 qmail: 18k
25
26 exim: 54k
27
28 masqmail: 14k
29
30 exchange: (no source available)
31
32
33 \section{Architecture}
34 sendmail: monolitic
35
36 postfix: modular
37
38 qmail: modular
39
40 exim: monolitic
41
42 masqmail: monolitic
43
44 exchange: (unknown)
45
46
47 \section{Design goals}
48 sendmail: flexibility
49
50 postfix: performance and security
51
52 qmail: security
53
54 exim: general, flexible \& extensive facilities for checking
55
56 masqmail: for non-permanent internet connection
57
58 exchange: groupware
59
60
61 \section{Market share (by Bernstein in 2001)}
62 sendmail: 42\%
63
64 postfix: 1.6\%
65
66 qmail: 17\%
67
68 exim: 1.6\%
69
70 masqmail: (unknown)
71
72 exchange: 18\%