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.orgMTK ，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.comConnected to
mx1.huawei.comDialog with
mx1.huawei.com ok
------------------------------------------------------------
220 Huawei Message Service is ready.
HELO
verifyemailaddress.org250 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.netConnected to
mxw.263.netDialog with
mxw.263.net ok
------------------------------------------------------------
220 Welcome to TAP gateway for 263
HELO
verifyemailaddress.org250
263.netMAIL FROM: <noreply@verifyemailaddress.org>
250 Ok
RCPT TO: <service@zoomlion.com>
中信银行，趋势科技 IMSVA
MX record found:
email1.citicbank.com (Priority 10)
Connecting to
email1.citicbank.comConnected to
email1.citicbank.comDialog 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.comConnected to
smtpnmp.bankcomm.comDialog 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.cnConnected to
mxtele-a.huijin-inv.cnDialog with
mxtele-a.huijin-inv.cn ok
------------------------------------------------------------
220 barr
HELO
verifyemailaddress.org250
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.cnConnected to
mailx.airchina.com.cnDialog 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.comConnected to
smtp1.cs-air.comDialog 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.comConnected to
hzmx01.mxmail.netease.comDialog with
hzmx01.mxmail.netease.com ok
------------------------------------------------------------
220
hzqiyemx.proxy.163.com ESMTP ready
HELO
verifyemailaddress.org250
hzqiyemx.proxy.163.com京东，趋势科技 IMSVA
MX record found:
mx.jd.com (Priority 10)
Connecting to
mx.jd.comConnected to
mx.jd.comDialog with
mx.jd.com ok
------------------------------------------------------------
220 Welcome to
JD.comHELO
verifyemailaddress.org250
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.comConnected to
mxbiz1.qq.comDialog with
mxbiz1.qq.com ok
------------------------------------------------------------
220
bizmx9.qq.com MX QQ Mail Server
HELO
verifyemailaddress.org250
bizmx9.qq.comMAIL FROM: <noreply@verifyemailaddress.org>
250 Ok
RCPT TO: <feedback@lizhi.fm>
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.comConnected to
mx01.meituan.comDialog 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.comConnected to
aspmx.l.google.comDialog with
aspmx.l.google.com ok
------------------------------------------------------------
220
mx.google.com ESMTP b9si17685639wmf.44 - gsmtp
HELO
verifyemailaddress.org250
mx.google.com at your service
MAIL FROM: <noreply@verifyemailaddress.org>
250 2.1.0 OK b9si17685639wmf.44 - gsmtp
RCPT TO: <support@uber.com>
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.comConnected to
aspmx.l.google.comDialog with
aspmx.l.google.com ok
------------------------------------------------------------
220
mx.google.com ESMTP g66si17678822wmg.41 - gsmtp
HELO
verifyemailaddress.org250
mx.google.com at your service
MAIL FROM: <noreply@verifyemailaddress.org>
250 2.1.0 OK g66si17678822wmg.41 - gsmtp
RCPT TO: <support@douban.com>
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.comConnected to
mxbiz1.qq.comDialog with
mxbiz1.qq.com ok
------------------------------------------------------------
220
bizmx4.qq.com MX QQ Mail Server
HELO
verifyemailaddress.org250
bizmx4.qq.comMAIL FROM: <noreply@verifyemailaddress.org>
250 Ok
RCPT TO: <report@acfun.tv>
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.comConnected to
mxbiz1.qq.comDialog with
mxbiz1.qq.com ok
------------------------------------------------------------
220
bizmx3.qq.com MX QQ Mail Server
HELO
verifyemailaddress.org250
bizmx3.qq.comMAIL FROM: <noreply@verifyemailaddress.org>
250 Ok
RCPT TO: <copyright@bilibili.com>
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.cnConnected to
smtp.npc.gov.cnDialog with
smtp.npc.gov.cn failed
------------------------------------------------------------
220 smtp ready
HELO
verifyemailaddress.org250
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