·云反垃圾intel-mail首选云邮科技,专业反垃圾网关![2016-11-3]
·550 5.7.1 [CS] Spam Detected. Contact your service provider for support[2016-11-3]
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·550 Requested mail action not taken: Fake sender[2016-8-23]
·550 5.1.1 Error: invalid recipients is found from[2016-8-23]
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·452 4.3.1 Insufficient system resources[2016-8-18]
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·553 sorry, you don't authenticate or the domain isn't in the list of allowed rcp[2016-7-25]
·550 RP:FRL 网易邮箱不开放匿名转发(Open relay)[2016-7-25]
·554 Refused. Your domain name is listed in the RHSBL at dbl.spamhaus.org[2016-7-8]
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·553 5.7.1 SpamTrap=reject mode, dsn=5.7.1, Message blocked by BOX Solutions (www[2016-7-5]
·452 Mailbox delivery restricted by policy error[2016-7-1]
·451 4.1.8 Domain of sender address purchase6@XXXXfat.com.cn does not resolve[2016-6-29]
·500 Message rejected[2016-6-29]
·440 mail from account doesnt conform with authentication[2016-6-28]