emailcamel's blog

邮件IP被黑名单组织列入黑名单后,邮件服务商是如何知道你在滥发邮件的?

不管在哪个服务商发邮件,或者购买独立的IP来发邮件,都不要滥发邮件。邮件发送涉及到发信者,邮件投递服务商,邮件接收服务商,邮件接收人,第三方的黑名单组织,垃圾邮件过滤系统等组织

关于Yahoo发邮件失败,Error: "421 4.7.0 [XXX] Messages from x.x.x.x temporarily deferred due to user complaints - 4.16.55.1" when sending email to Yahoo

Yahoo返回的消息如下: 4.7.0 [TSS04] Messages from 104.130.96.10 temporarily deferred due to user complaints - 4.16.55.1; see https://help.yahoo.com/kb/postmaster/SLN3434.html
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