既然有了gmail来发邮件，为什么还要建立自己的smtp来中转呢？

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原文链接:http://bretthutley.com/2009/08/21/getting-postfix-sending-email-on-your-mac/
其中开头是这样说的：

I have recently been setting up my MacBook (running Leopard) to send email using the local email delivery system, i.e. Postfix. This means modifying the default installation to relay email through my ISP/email service - in my case; FastMail. I use FastMail because they have a nice secure email setup with both IMAP and SMTP access encrypted using SSL, ...

既然有了fastmail，为什么不自己就用一个客户端软件来收发邮件呢？

anything i missed?

using

2 replies • 1970-01-01 08:00:00 +08:00

TONYHEAD

Dec 23, 2012

gmail每天发邮件是有限制的，好像是200封一天。

自己做的SMTP就不受这个限制了（发多了ISP也会找你麻烦）。

firsthym

Dec 23, 2012

@TONYHEAD relayhost=smtp.gmail.com:587 这样设置成gmail，我的理解是利用gmail的smtp服务器来发邮件，对吗？