我的小开发人员的想法从未真正理解如何去做,所以也许你可以帮助我.
我正在使用Google Apps for Domains和MyDomain作为DNS外部服务.
编辑：在谷歌应用程序中强硬的人群说：
Change the SPF record to fight SPAM
(optional)You may define the SPF record to
authorize only certain IP addresses to
send email for your domain. This will
prevent spammers from sending
unauthorized email under a forged
address from your domain.
