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遇到邮件服务器无法发送邮件,或者无法正常收取邮件,我们可以用命令行的方式来发送一个电子邮件来检测邮件服务器是否能正常通信。
$sQ3_-P(w&|[0 N(]o7}y0第一步: 先查询接收邮件服务器的MX(mail exchange)记录信息(这里以QQmail为例)51Testing软件测试网{5NZ'zN&Vi
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*qx z0v`U ~]0C:\>nslookup51Testing软件测试网;Gz2ABy)J5\u
Default Server: dns.guangzhou.gd.cn
cx8`a~&[c0Address: 202.96.128.68
^,`z?;V-]+~9?0|:Ta?@]T E)m0> set type=mx51Testing软件测试网 F*wc?%ak|
> qq.com51Testing软件测试网u1I^:c*O1Z2|)g*En1x
Server: dns.guangzhou.gd.cn
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fy0Address: 202.96.128.68
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L5O4_+M7~3q`Nh0 n CqEW|u3V0DNS request timed out.51Testing软件测试网R$r9J{ Aw:p
timeout was 2 seconds.
b[;C2V2M0Non-authoritative answer:51Testing软件测试网j|)l.g+ZW-X*|
qq.com MX preference = 10, mail exchanger = mx0.qq.com
,]J9F"[q0B:j/}!r!A0qq.com nameserver = dns2.imok.net
Yvlsuj/@3E0qq.com nameserver = dns1.imok.net51Testing软件测试网*y*xZA$r
mx0.qq.com internet address = 219.133.60.15451Testing软件测试网bxuY3v{$GD
mx0.qq.com internet address = 219.133.40.163 <---就是要得到这部分内容(红色部分)
,S5o6x,u%~0mx0.qq.com internet address = 219.133.40.16551Testing软件测试网g
@9Eb1]2g7J
mx0.qq.com internet address = 219.133.40.16651Testing软件测试网At2BKS/mt
dns1.imok.net internet address = 219.133.40.202
+u5oI)Pi Wt [0dns2.imok.net internet address = 61.152.100.551Testing软件测试网(r0a4Wj6GMh*O
> exit
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c051Testing软件测试网Kvh ^\`w5l第二步:发送电邮
*r-S'e UQ:UP051Testing软件测试网WO
nd5['\xM3D}C:\>telnet mx0.qq.com 25 登录第一步得到的地址,注意端口是25
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}+m A:]M08c` P!Tpab#k Lm2Z0220 qs17.qq.com ESMTP QQ Mail Server
{%jfHS&S0helo qq.com 识别发送SMTP主机51Testing软件测试网LA#@
@"r&W8D6^i
250 qs17.qq.com
U4M q
CO0~'C4g`o0 ^flm2AO.rs0mail from:<aa@bb.com> 发件人,可随便写,但要是这个格式
-F0r3vHZE2y051Testing软件测试网"qvk4B6c"l250 Ok
T`D/K,b@O0#?&_"Fa,~| {0rcpt to:<aa@bb.com> 收件人51Testing软件测试网#G4pt!T ~$`G2c ~T*AI'i
250 Ok
$~*d;P&Z/]#F03T&G/W$omeA0data
l7k/R3A+i$\)Q#?7E'e7X:m0354 End data with <CR><LF>.<CR><LF>
!v,_8U._`!\0subject: 这是一封测试邮件 主题51Testing软件测试网M0{E1cU+^4E,o
这是正文 正文51Testing软件测试网:U'o*S.{6]V"Y2u
.51Testing软件测试网h|{H4u/J s
250 Ok: queued as51Testing软件测试网%t/N*o3xBcx~8w
quit 退出登录
$G R%N+}a(D1f_0221 Bye
nQ!wC.m(Lum O4k051Testing软件测试网"c G9Z2h$IM
|o[失去了跟主机的连接。51Testing软件测试网MA)P[BL
51Testing软件测试网gdS9~ mE.K#x"f51Testing软件测试网V+CP u{&M[z
好了,到你的邮箱里面看看成功没有!
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