这是一个创建于 3300 天前的主题，其中的信息可能已经有所发展或是发生改变。
比如说这样的网站 http://www.verifyemailaddress.org/
是怎么实现的？
是怎么实现的？
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1
qiayue 2015-12-13 11:08:42 +08:00  2
用 163 邮箱试了一下
The Email Address Syntax is correct Connecting to 163mx01.mxmail.netease.com worked MX record found: 163mx01.mxmail.netease.com (Priority 10) MX record found: 163mx03.mxmail.netease.com (Priority 10) MX record found: 163mx02.mxmail.netease.com (Priority 10) MX record found: 163mx00.mxmail.netease.com (Priority 50) Connecting to 163mx01.mxmail.netease.com Connected to 163mx01.mxmail.netease.com Dialog with 163mx01.mxmail.netease.com ok ------------------------------------------------------------ 220 163.com Anti-spam GT for Coremail System (163com[20141201]) HELO verifyemailaddress.org 250 OK MAIL FROM: <[email protected]> 250 Mail OK RCPT TO: <[email protected]> 250 Mail OK QUIT 221 Bye ------------------------------------------------------------ Email address [email protected] accepted 所以人家网页里边把原理写的明明白白了 |
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4
loveminds 2015-12-13 16:36:48 +08:00 1
The Email Address Syntax is correct
Connecting to mxbiz1.qq.com worked We feel that [email protected] is valid MX record found: mxbiz1.qq.com (Priority 5) MX record found: mxbiz2.qq.com (Priority 10) Connecting to mxbiz1.qq.com Connected to mxbiz1.qq.com Dialog with mxbiz1.qq.com ok ------------------------------------------------------------ 220 bizmx3.qq.com MX QQ Mail Server HELO verifyemailaddress.org 250 bizmx3.qq.com MAIL FROM: <[email protected]> 250 Ok RCPT TO: <[email protected]> 250 OK QUIT 221 Bye. ------------------------------------------------------------ Email address [email protected] accepted - See more at: http://www.verifyemailaddress.org/#result The Email Address Syntax is correct Connecting to kr1-aspmx1.worksmobile.com worked We feel that [email protected] is valid MX record found: kr1-aspmx1.worksmobile.com (Priority 10) MX record found: kr1-aspmx2.worksmobile.com (Priority 20) Connecting to kr1-aspmx1.worksmobile.com Connected to kr1-aspmx1.worksmobile.com Dialog with kr1-aspmx1.worksmobile.com ok ------------------------------------------------------------ 220 mx.worksmobile.com ESMTP Dar1WwJwS+eHiomQE23hMg - nsmtp HELO verifyemailaddress.org 250 mx.worksmobile.com Pleased to meet you MAIL FROM: <[email protected]> 250 2.1.0 OK Dar1WwJwS+eHiomQE23hMg - nsmtp RCPT TO: <[email protected]> 250 2.1.5 OK Dar1WwJwS+eHiomQE23hMg - nsmtp QUIT 221 2.0.0 Closing connection Dar1WwJwS+eHiomQE23hMg - nsmtp ------------------------------------------------------------ Email address [email protected] accepted - See more at: http://www.verifyemailaddress.org/#result The Email Address Syntax is correct Connecting to in1-smtp.messagingengine.com worked We feel that [email protected] is valid View Email Owner MX record found: in1-smtp.messagingengine.com (Priority 10) MX record found: in2-smtp.messagingengine.com (Priority 20) Connecting to in1-smtp.messagingengine.com Connected to in1-smtp.messagingengine.com Dialog with in1-smtp.messagingengine.com ok ------------------------------------------------------------ 220 mx2.messagingengine.com ESMTP . No UCE permitted. HELO verifyemailaddress.org 250 mx2.messagingengine.com MAIL FROM: <[email protected]> 250 2.1.0 Ok RCPT TO: <[email protected]> 250 2.1.5 Ok QUIT 221 2.0.0 Bye ------------------------------------------------------------ Email address [email protected] accepted - See more at: http://www.verifyemailaddress.org/#result 原理大致就是这样，通过 SMTP 连接对方服务器罢了 另外，国内也有个模仿版，同盾邮霸 http://youba.labs.fraudmetrix.cn/ |
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5
ynyounuo 2015-12-13 17:35:22 +08:00
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6
loveminds 2015-12-13 18:04:41 +08:00 2
这东西还有个有趣的功能就是，可以看到各个公司的邮件服务提供商（不过很多是自建）和邮件服务器
台积电，自建的邮件服务 MX record found: mg.tsmc.com (Priority 10) Connecting to mg.tsmc.com Connected to mg.tsmc.com Dialog with mg.tsmc.com ok ------------------------------------------------------------ 220 z08fvironport1.tsmc.com.tw ESMTP HELO verifyemailaddress.org MTK ，也是自建，还挂了一台服务器 MX record found: mailgw02.mediatek.com (Priority 10) MX record found: mailgw01.mediatek.com (Priority 10) Connecting to mailgw02.mediatek.com Connected to mailgw02.mediatek.com Dialog with mailgw02.mediatek.com failed ------------------------------------------------------------ Connecting to mailgw01.mediatek.com Connected to mailgw01.mediatek.com Dialog with mailgw01.mediatek.com ok ------------------------------------------------------------ 220 Cellopoint E-mail Firewall v3.9.12 Build 0813 ready 高通，服务器名挺有意思 MX record found: gatewayhorse2.qualcomm.com (Priority 10) MX record found: gatewayhorse1.qualcomm.com (Priority 10) MX record found: gatewaypony02.qualcomm.com (Priority 10) MX record found: gatewaypony01.qualcomm.com (Priority 10) Connecting to gatewayhorse2.qualcomm.com Connected to gatewayhorse2.qualcomm.com Dialog with gatewayhorse2.qualcomm.com ok ------------------------------------------------------------ 220-gatewayhorse2.qualcomm.com ESMTP 220 QUALCOMM does not authorize the use of its computers or computer networks to deliver unsolicited electronic mail advertisements. 中兴，用的 Websense 的产品 MX record found: mx5.zte.com.cn (Priority 10) MX record found: mx6.zte.com.cn (Priority 10) Connecting to mx5.zte.com.cn Connected to mx5.zte.com.cn Dialog with mx5.zte.com.cn ok ------------------------------------------------------------ 220 220 OK*************** HELO verifyemailaddress.org 250 Websense Email Security Gateway 华为也用他家的... MX record found: mx1.huawei.com (Priority 10) MX record found: mx2.huawei.com (Priority 15) MX record found: mx4.huawei.com (Priority 20) MX record found: mx3.huawei.com (Priority 20) Connecting to mx1.huawei.com Connected to mx1.huawei.com Dialog with mx1.huawei.com ok ------------------------------------------------------------ 220 Huawei Message Service is ready. HELO verifyemailaddress.org 250 Websense email protection service 中联重科，用的 263 的邮件服务 MX record found: mxw.263.net (Priority 5) MX record found: mx.263.net (Priority 10) Connecting to mxw.263.net Connected to mxw.263.net Dialog with mxw.263.net ok ------------------------------------------------------------ 220 Welcome to TAP gateway for 263 HELO verifyemailaddress.org 250 263.net MAIL FROM: <[email protected]> 250 Ok RCPT TO: <[email protected]> 中信银行，趋势科技 IMSVA MX record found: email1.citicbank.com (Priority 10) Connecting to email1.citicbank.com Connected to email1.citicbank.com Dialog with email1.citicbank.com ok ------------------------------------------------------------ 220 ESMTP IMSVA 兴业银行， McAfee Email Gateway EG5500 MX record found: smtp.cib.com.cn (Priority 10) MX record found: smtp1.cib.com.cn (Priority 15) Connecting to smtp.cib.com.cn Connected to smtp.cib.com.cn Dialog with smtp.cib.com.cn ok ------------------------------------------------------------ 220 mailgw1.cib.com.cn EG5500/SMTP Ready. 交通银行，用的尚易 MX record found: smtpnmp.bankcomm.com (Priority 10) MX record found: smtp.bankcomm.com (Priority 20) Connecting to smtpnmp.bankcomm.com Connected to smtpnmp.bankcomm.com Dialog with smtpnmp.bankcomm.com ok ------------------------------------------------------------ 220 bankcomm.com Anti-spam GT for Coremail System (bankcomm[20151012]) 人民银行，同样用的尚易，而且还是测试版(demo) MX record found: mail.pbc.gov.cn (Priority 5) Connecting to mail.pbc.gov.cn Connected to mail.pbc.gov.cn Dialog with mail.pbc.gov.cn failed ------------------------------------------------------------ 220 pbc.gov.cn Anti-spam GT for Coremail System (mtdemo-pbc[20151210]) 中投公司 /中央汇金，梭子鱼网关 MX record found: mxtele-a.huijin-inv.cn (Priority 50) MX record found: mxctc-a.huijin-inv.cn (Priority 50) MX record found: mail.huijin-inv.cn (Priority 100) MX record found: mxctc.huijin-inv.cn (Priority 100) Connecting to mxtele-a.huijin-inv.cn Connected to mxtele-a.huijin-inv.cn Dialog with mxtele-a.huijin-inv.cn ok ------------------------------------------------------------ 220 barr HELO verifyemailaddress.org 250 barracuda.china-inv.cn Hello 中国国航， McAfee Email Gateway EG4500 MX record found: mailx.airchina.com.cn (Priority 10) Connecting to mailx.airchina.com.cn Connected to mailx.airchina.com.cn Dialog with mailx.airchina.com.cn ok ------------------------------------------------------------ 220 mailx.airchina.com EG4500/SMTP Ready. 南方航空， McAfee Email Gateway EG5500 View Email Owner MX record found: smtp1.cs-air.com (Priority 10) Connecting to smtp1.cs-air.com Connected to smtp1.cs-air.com Dialog with smtp1.cs-air.com ok ------------------------------------------------------------ 220 eg1.csair.com EG5500/SMTP Ready. 春秋航空， MDaemon MX record found: mail1.air-spring.com (Priority 5) Connecting to mail1.air-spring.com Connected to mail1.air-spring.com Dialog with mail1.air-spring.com failed ------------------------------------------------------------ 220 china-sss.com ESMTP MDaemon 9.6.3; Sun, 13 Dec 2015 17:38:53 +0800 滴滴快的，网易企业邮箱 MX record found: hzmx01.mxmail.netease.com (Priority 5) MX record found: hzmx02.mxmail.netease.com (Priority 10) Connecting to hzmx01.mxmail.netease.com Connected to hzmx01.mxmail.netease.com Dialog with hzmx01.mxmail.netease.com ok ------------------------------------------------------------ 220 hzqiyemx.proxy.163.com ESMTP ready HELO verifyemailaddress.org 250 hzqiyemx.proxy.163.com 京东，趋势科技 IMSVA MX record found: mx.jd.com (Priority 10) Connecting to mx.jd.com Connected to mx.jd.com Dialog with mx.jd.com ok ------------------------------------------------------------ 220 Welcome to JD.com HELO verifyemailaddress.org 250 IMSVA43.JD.COM 荔枝 FM ，腾讯企业邮箱 MX record found: mxbiz1.qq.com (Priority 5) MX record found: mxbiz2.qq.com (Priority 10) Connecting to mxbiz1.qq.com Connected to mxbiz1.qq.com Dialog with mxbiz1.qq.com ok ------------------------------------------------------------ 220 bizmx9.qq.com MX QQ Mail Server HELO verifyemailaddress.org 250 bizmx9.qq.com MAIL FROM: <[email protected]> 250 Ok RCPT TO: <[email protected]> 美团， Postfix MX record found: mx01.meituan.com (Priority 10) MX record found: mx02.meituan.com (Priority 10) MX record found: mail3.sankuai.info (Priority 20) Connecting to mx01.meituan.com Connected to mx01.meituan.com Dialog with mx01.meituan.com ok ------------------------------------------------------------ 220 it-mx01.lf.sankuai.com ESMTP Postfix 优步， Google Apps MX record found: aspmx.l.google.com (Priority 10) MX record found: alt2.aspmx.l.google.com (Priority 20) MX record found: alt1.aspmx.l.google.com (Priority 20) MX record found: aspmx5.googlemail.com (Priority 30) MX record found: aspmx4.googlemail.com (Priority 30) MX record found: aspmx2.googlemail.com (Priority 30) MX record found: aspmx3.googlemail.com (Priority 30) Connecting to aspmx.l.google.com Connected to aspmx.l.google.com Dialog with aspmx.l.google.com ok ------------------------------------------------------------ 220 mx.google.com ESMTP b9si17685639wmf.44 - gsmtp HELO verifyemailaddress.org 250 mx.google.com at your service MAIL FROM: <[email protected]> 250 2.1.0 OK b9si17685639wmf.44 - gsmtp RCPT TO: <[email protected]> 豆瓣，也是 Google Apps MX record found: aspmx.l.google.com (Priority 10) MX record found: alt2.aspmx.l.google.com (Priority 20) MX record found: alt1.aspmx.l.google.com (Priority 20) MX record found: aspmx3.googlemail.com (Priority 30) MX record found: aspmx2.googlemail.com (Priority 30) Connecting to aspmx.l.google.com Connected to aspmx.l.google.com Dialog with aspmx.l.google.com ok ------------------------------------------------------------ 220 mx.google.com ESMTP g66si17678822wmg.41 - gsmtp HELO verifyemailaddress.org 250 mx.google.com at your service MAIL FROM: <[email protected]> 250 2.1.0 OK g66si17678822wmg.41 - gsmtp RCPT TO: <[email protected]> 爱稀饭动画，腾讯企业邮箱 MX record found: mxbiz1.qq.com (Priority 5) MX record found: mxbiz2.qq.com (Priority 10) Connecting to mxbiz1.qq.com Connected to mxbiz1.qq.com Dialog with mxbiz1.qq.com ok ------------------------------------------------------------ 220 bizmx4.qq.com MX QQ Mail Server HELO verifyemailaddress.org 250 bizmx4.qq.com MAIL FROM: <[email protected]> 250 Ok RCPT TO: <[email protected]> 哔哩哔哩，也是腾讯 MX record found: mxbiz1.qq.com (Priority 5) MX record found: mxbiz2.qq.com (Priority 10) Connecting to mxbiz1.qq.com Connected to mxbiz1.qq.com Dialog with mxbiz1.qq.com ok ------------------------------------------------------------ 220 bizmx3.qq.com MX QQ Mail Server HELO verifyemailaddress.org 250 bizmx3.qq.com MAIL FROM: <[email protected]> 250 Ok RCPT TO: <[email protected]> 全国人大，亿邮（貌似绝迹好久了） Connecting to smtp.npc.gov.cn did not work MX record found: smtp.npc.gov.cn (Priority 10) Connecting to smtp.npc.gov.cn Connected to smtp.npc.gov.cn Dialog with smtp.npc.gov.cn failed ------------------------------------------------------------ 220 smtp ready HELO verifyemailaddress.org 250 eyou.net HELO, pleased to meet verifyemailaddress.org 中国政府网，中标麒麟 MX record found: mx.mail.gov.cn (Priority 10) Connecting to mx.mail.gov.cn Connected to mx.mail.gov.cn Dialog with mx.mail.gov.cn ok ------------------------------------------------------------ 220 cs2c antispam server1.1 |
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7
loveminds 2015-12-13 19:43:13 +08:00
接以上，韵达快递，微软 Exchange Server
MX record found: mail.yundaex.com (Priority 10) Connecting to mail.yundaex.com Connected to mail.yundaex.com Dialog with mail.yundaex.com ok ------------------------------------------------------------ 220 CASHUB01.yundasys.com Microsoft ESMTP MAIL Service ready at Sun, 13 Dec 2015 18:09:28 +0800 申通快递， Winmail MX record found: mail.sto.cn (Priority 5) Connecting to mail.sto.cn Connected to mail.sto.cn Dialog with mail.sto.cn failed ------------------------------------------------------------ 220 WINDOWS-K12NKJ5.sto.cn Winmail Mail Server ESMTP ready; Sun, 13 Dec 2015 18:16:40 +0800 六福珠宝， Postfix MX record found: mail.lukfook.com.hk (Priority 20) Connecting to mail.lukfook.com.hk Connected to mail.lukfook.com.hk Dialog with mail.lukfook.com.hk ok ------------------------------------------------------------ 220 mail.lukfook.com.hk ESMTP Postfix 中国黄金，阿里云邮 MX record found: mxw.mxhichina.com (Priority 4) MX record found: mxn.mxhichina.com (Priority 5) Connecting to mxw.mxhichina.com Connect to mxw.mxhichina.com failed Connecting to mxn.mxhichina.com Connected to mxn.mxhichina.com Dialog with mxn.mxhichina.com ok ------------------------------------------------------------ 220 mx1.aliyun-inc.com MX AliMail Server(10.147.43.61) HELO verifyemailaddress.org 250 Ok MAIL FROM: <[email protected]> 250 Mail Ok RCPT TO: <[email protected]> 公安部，新版亿邮 MX record found: mail.mps.gov.cn (Priority 10) Connecting to mail.mps.gov.cn Connected to mail.mps.gov.cn Dialog with mail.mps.gov.cn ok ------------------------------------------------------------ 220 mps.gov.cn [18968] ESMTP eYou MTA v8.1.0; Sun, 13 Dec 2015 18:11:05 +0800 锤子科技， Office 365 MX record found: smartisan-com.mail.protection.outlook.com (Priority 1) Connecting to smartisan-com.mail.protection.outlook.com Connected to smartisan-com.mail.protection.outlook.com Dialog with smartisan-com.mail.protection.outlook.com ok ------------------------------------------------------------ 220 HK2APC01FT022.mail.protection.outlook.com Microsoft ESMTP MAIL Service ready at Sun, 13 Dec 2015 11:11:39 +0000 电脑爱好者，看起来像是 IIS 的邮件服务 MX record found: mailx.cfan.com.cn (Priority 10) Connecting to mailx.cfan.com.cn Connected to mailx.cfan.com.cn Dialog with mailx.cfan.com.cn ok ------------------------------------------------------------ 220 mailgateway.ccw.group Microsoft ESMTP MAIL Service, Version: 6.0.3790.4675 ready at Sun, 13 Dec 2015 19:23:30 +0800 三联周刊，腾讯企业邮箱 MX record found: mxbiz1.qq.com (Priority 5) MX record found: mxbiz2.qq.com (Priority 10) Connecting to mxbiz1.qq.com Connected to mxbiz1.qq.com Dialog with mxbiz1.qq.com ok ------------------------------------------------------------ 220 bizmx3.qq.com MX QQ Mail Server HELO verifyemailaddress.org 250 bizmx3.qq.com MAIL FROM: <[email protected]> 250 Ok RCPT TO: <[email protected]> 最世文化 /文艺风象， QQ 域名邮箱（挺老的产品了，后被企业邮箱替代） MX record found: mxdomain.qq.com (Priority 10) Connecting to mxdomain.qq.com Connected to mxdomain.qq.com Dialog with mxdomain.qq.com ok ------------------------------------------------------------ 220 bizmx3.qq.com MX QQ Mail Server HELO verifyemailaddress.org 250 bizmx3.qq.com MAIL FROM: <[email protected]> 250 Ok RCPT TO: <[email protected]> 漫友 /新蕾 Story101 （记得多年前喜欢漫画和小说的时候经常给他们投稿，现在，好像停刊了），中资源企业邮箱，基于 Postfix MX record found: mxa158d.chinaemail.cn (Priority 5) MX record found: mx158d.chinaemail.cn (Priority 10) Connecting to mxa158d.chinaemail.cn Connected to mxa158d.chinaemail.cn Dialog with mxa158d.chinaemail.cn ok ------------------------------------------------------------ 220 mx100.chinaemail.cn ESMTP Postfix (2.4.1) HELO verifyemailaddress.org 250 mx100.chinaemail.cn MAIL FROM: <[email protected]> 250 2.1.0 Ok RCPT TO: <[email protected]> |
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