Postfix架构

Postfix架构

Postfix接收邮件的架构示意图：

trivial- rewrite(8)
Network	->	smtpd(8)		^ | | v
			\
Network	->	qmqpd(8)	->	cleanup(8)	->	incoming
			/
		pickup(8)	<-	maildrop
				^ |
Local	->	sendmail(1)	->	postdrop(1)

Postfix发送邮件的架构示意图：

trivial- rewrite(8)		smtp(8)	->	Network
	/
				^ | | v	-	lmtp(8)	->	Network
					/
incoming	->	active	->	qmgr(8)	---	local(8)	->	File, command
		^ | | v			\
					-	virtual(8)	->	File
		deferred			\
						pipe(8)	->	Command