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comparison thesis/tex/5-Improvements.tex @ 375:91eb129dd695

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rework in ch02 mainly
author meillo@marmaro.de
date Tue, 03 Feb 2009 12:35:04 +0100
parents d51894e48762
children c9a6cbce35fd
comparison
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374:3445852ed736 375:91eb129dd695
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181 With the increasing need for new protocols in mind, it seems better to have single modules for each incoming channel, although this leads to duplicated acceptance checks. Independent checks in different modules, however, have the advantage of simply applying different policies. Thus it is possible to run two \SMTP\ modules that listen on different ports: one accessible from the Internet which requires authentication, the other one only accessible from the local network without authentication. 181 With the increasing need for new protocols in mind, it seems better to have single modules for each incoming channel, although this leads to duplicated acceptance checks. Independent checks in different modules, however, have the advantage of simply applying different policies. Thus it is possible to run two \SMTP\ modules that listen on different ports: one accessible from the Internet which requires authentication, the other one only accessible from the local network without authentication.
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183 The approach of simple independent modules, one for each incoming channel, should be taken. 183 The approach of simple independent modules, one for each incoming channel, should be taken.
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185 A module which is a \NAME{POP} or \NAME{IMAP} client to import contents of other mail boxes into the system may be added afterwards as it is desired. 185 A module which is a \NAME{POP} or \NAME{IMAP} client to import contents of other mailboxes into the system may be added afterwards as it is desired.
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189 \subsubsection*{Outgoing channels} 189 \subsubsection*{Outgoing channels}
190 190