专注——不只是说说而已
提供一站式互联网三合一解决方案
您的邮件仍无法到达用户邮箱,并收到退信,请根据退信的返回字段,在下面的表单查询具体的退信原因。如果这些信息仍不能解决你的问题,请联系售后客服
退信代码说明:
554 5.7.1 “check sender domain spf policy” 发信IP未被发送域的SPF许可。请参考http://www.openspf.org/关于SPF规范的定义;
554 5.7.1 “Recipient address rejected: User is known” 收件人不存在;
504 5.5.2 “Helo command rejected” Helo命令被拒绝:需要完全限定的主机名;
450 4.1.8 “Sender address rejected” 发信域名未找到;
454 4.7.1 “Relay access denied” 中继访问被拒绝;
500 Error: bad syntax;发件人的邮件服务器SMTPB会话语法错误;
501 Bad address syntax;收件人地址语法错误,如使用了非法的字符。请检查收件人地址填写是否有误;
550 Error: content rejected; 邮件内容疑似垃圾邮件,系统拒绝接收。请检查邮件正文是否包含垃圾信息;
552 Too much mail data.(20971520 bytes bounded) 退信原因:邮件过大被拒收
550 5.7.511 Access denied, banned sender[xx.xx.xx.xx]. To request removal from this list please forward this message to delist@messaging.microsoft.com. For more information please go to http://go.microsoft.com/fwlink/?LinkId=526653. AS(508): 退信原因:IP在微软黑名单
451 4.4.4 Temporary server error. Please try again later ATTR4 退信原因:对方启用了灰名单功能,被临时拦截
553 5.3.0 alph154 DNSBL:ATTRBL 521< 61.145.xx.xx >_is_blocked.__For_information_see_http://att.net/block退信原因:IP在ATT的黑名单中
550 Requested action not taken: mail m35CCgBX7mFg_2FXFfwjAA--.11284S3 is rejected, 4退信原因:邮件内容被对方屏蔽
554 5.2.0 3mH71t02B1KP63P01mHAge Spam content found退信原因:邮件内容被对方检查到垃圾邮件关键字
554 5.5.1 Error: no valid recipients退信原因:邮箱地址不存在
550 The domain sg-international.com is currently suspended. Try later.退信原因:域名被服务商挂起或者锁定
553 refused, SPF check softfail退信原因:发信IP跟SPF设置的不符合
550 You are blacklisted退信原因:对方将你的地址加入到了黑名单中
550 5.7.1 Our system has detected that this message is likely unsolicited mail退信原因:邮件内容被认定为垃圾邮件
421 4.7.1 Intrusion prevention active for退信原因:可疑垃圾邮件行为,被对方垃圾
554 Rejected due to the sending MTA's poorreputation.Pleasereferhttp://mail.sina.com.cn/help2/rwmail.html退信原因:IP信誉差,被投诉过垃圾邮件
550 Unrouteable address退信原因:邮件发送到了非MX的IP地址
553 5.1.3... Invalid route address退信原因:邮箱格式错误
554 refused, spam message退信原因:内容被对方反垃圾系统检测认定为垃圾邮件拒收了
553 5.3.0 121.50.XX.XX Rejected - see http://www.spamhaus.org退信原因:IP地址被SPAMHAUS列入黑名单
550 No RDNS entry for 121.50.XX.XX退信原因:IP没有反向解释
550 the account is disable; 618158_dgb@21cn.net退信原因: 收信人账户被禁用了。
553 sorry, your domain mismatches client IP [209.61.151.224]. Server rejected.退信原因:发信域名跟IP不一致,SPF验证失败
554 delivery error: dd This user doesn't have a aeonjs.com.cn e-mailaccount (s_kashiwa@aeonjs.com.cn) [0] - mx1.aliyun-inc.com退信原因:邮箱账号不存在或者已经被禁用
550 Not verified by SPF 或者Reject by SPF()退信原因:SPF验证失败,导致邮件被拒收
554 5.7.1 (Eddy.Hu@liteon.com): Recipient address rejected: Access denied退信原因:邮箱地址拼写错误,收件人不存在
550 permanent failure for one or more recipients (susanl@joie***.com:552 Virus found inside of the email,maggiew@joie***.com:552 Virus found inside of the email,lilim@joie***.c...)退信原因:邮件被检查到有病毒,对方拒绝了邮件
554 sender is rejected 退信原因:发信人地址被对方屏蔽,也就是被对方加入了黑名单拒收的地址中
550 Unknown local part linda.shen in
550 Ip frequency limited. http://service.mail.qq.com/cgi-bin/help?subtype=1&&id=20022&&no=1000725:退信原因 ip地址被腾讯封禁
550 5.7.606 Access denied, banned sending IP [xx.xx.xx.xx]. To request removal from this list please visit......退信原因ip在某个组织的黑名单中
552-5.2.3 Your message exceeded Google's message size limits. Please visit 退信原因谷歌邮箱对方入站的邮件,限制为25兆,如果你的邮件超过了25兆
553 Blocked Using Spam Pattern, Your Message May Contain The Spam Contents退信原因关键字过滤
550 5.4.1 [xxx@net***.com]: Recipient address rejected: Access denied退信原因:收件方只接受本地联系人
550 this server requires ESMTP authentication一般来说是很容易解决的,就在的OUTLOOK,FOXMAIL等客户端软件,账号属性中,勾选"我的服务器要求身份验证"这样问题就解决了
553 Requested action not taken: no smtp MX only 您的域名存在于两个运行商例如同时存在美橙和阿里
SMTP error, RCPT TO: 500 error 原因gfw 解决把邮件作为附件
解决各类常见问题,提供专业的网络诊断服务
2018-08-02
2018-07-25
2017-12-08
2017-12-05
2017-11-11
2017-11-07
2017-11-06
数千套成品网站供您选择
更有私人化定制满足您的需求