虽然我没有用过这些工具，而只是自己做了些实验，但我认为，“白名单”／验证过滤器几乎可以 100% 地将垃圾邮件消息阻挡在外面。
Although I have not used any of these tools more than experimentally myself, I would expect whitelist/verification filters to be very nearly 100% effective in blocking spam messages.
为此，SES提供了一系列丰富的工具以便控制高速增长的电子邮件数量并接收来自IS P垃圾邮件过滤器的反馈。
To this end, SES provides a rich set of tools to control the ramp-up of email volumes and to receive feedback from ISP spam filters.
为此，SES提供了一系列丰富的工具以便控制高速增长的电子邮件数量并接收来自IS P垃圾邮件过滤器的反馈。
To this end, SES provides a rich set of tools to control the ramp-up of email volumes and to receive feedback from ISP spam filters.
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