防止邮件进入垃圾箱:使用第三方邮件服务提供商(ESP)

之前在用 Postmark 作为网站的邮件发送服务,最近听说有几个更牛 X 的第三方邮件服务提供商,索性搜索一下,把它们全找出来。

连 Amazon 也来凑热门了,比较大的几家服务商罗列如下:

Amazon SES (http://aws.amazon.com/ses/)
PostMark (http://www.postmarkapp.com/)
CritSend (http://www.critsend.com/)
SendGrid (http://sendgrid.com/)
SocketLabs (http://www.socketlabs.com/)
MailChimp (http://www.mailchimp.com/)

因为我用的比较多的还是基本的发信功能,以上所有服务商提供的服务都能满足我的要求,因此正文我只在价格方面做个简单的比较。

基本上他们都提供免费试用的额度。免费试用额度:
Amazon SES:每月赠送 2000 封(仅限 Amazon EC2 客户)
Postmark:总共赠送 1000 封
CritSend:总共赠送 1000 封
SendGrid:每天赠送 200 封
SocketLabs:每个月赠送 500 封
MailChimp:每月 12000 封,只能发送给 2000 个用户

如果免费试用的额度不能满足要求,那就需要购买收费服务,价格如下:
Amazon SES 价格:每 1000 封 $0.10
SendGrid 价格:每 1000 封 $0.10 – $1.00
CritSend 价格:每 1000 封 $0.28 – $0.50
Postmark 价格:每 1000 封 $0.50 – $1.50
SocketLabs 价格:每 1000 封 $0.80 – $3.90
MailChimp 价格:每 1000 封 $5 – $30,或者按用户数包月收费

SendGrid 每天赠送 200 封,很给力呀!收费服务的单价也是最低的!
Foursquareslideshare 用的也是这家的服务,因此稳定性应该还不错。

现在购买这家的收费服务还可以享受 7.5 折的优惠,从以下链接进入:http://sendgrid.tellapal.com/a/clk/4KYr7

补充:
今天实际测试了 SendGrid、CritSend 的速度,都要比 Postmark 的快一些,查了下 SPF 记录,发现他们的邮件服务器确实是比较多。
但是可恶的是 CritSend 的邮件居然进了邮箱,看起来质量不太靠谱!注册需要人工审核,也不能自己指定/修改密码,直接无视掉!
大家还是用 SendGrid 吧,7.5 折!http://sendgrid.tellapal.com/a/clk/4KYr7

— EOF —

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