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Linux 通过Telnet发送邮件_Linux_Email_Unix_Gmail_Telnet - Fatal编程技术网

Linux 通过Telnet发送邮件

Linux 通过Telnet发送邮件,linux,email,unix,gmail,telnet,Linux,Email,Unix,Gmail,Telnet,我试图通过telnet发送电子邮件。但它不接受数据部分。以下是发生的问题 $ telnet 74.125.68.109 25 Trying 74.125.68.109... Connected to 74.125.68.109. Escape character is '^]'. 220 smtp.gmail.com ESMTP xr8sm26040278pab.26 - gsmtp mail from: mohangtrichy@gmail.com 503 5.5.1 EHLO/HELO f

我试图通过telnet发送电子邮件。但它不接受数据部分。以下是发生的问题

$ telnet 74.125.68.109 25
Trying 74.125.68.109...
Connected to 74.125.68.109.
Escape character is '^]'.
220 smtp.gmail.com ESMTP xr8sm26040278pab.26 - gsmtp

mail from: mohangtrichy@gmail.com
503 5.5.1 EHLO/HELO first. xr8sm26040278pab.26 - gsmtp

mail to: raju10anand@gmail.com
503 5.5.1 EHLO/HELO first. xr8sm26040278pab.26 - gsmtp

data
503 5.5.1 EHLO/HELO first. xr8sm26040278pab.26 - gsmtp
This mail is sent from telnet...
502 5.5.1 Unrecognized command. xr8sm26040278pab.26 - gsmtp
^]
telnet> Connection closed.
$

下面是data命令后出现的问题。我有什么错误吗。74.125.68.109是gmail的邮箱地址。

它告诉你,你并不是说HELO是你的第一个命令。在每一行之后,它又在对你大喊大叫,你没有说HELO

在HELO之后,我试过了。但它会产生以下错误。“530 5.7.0必须首先发出STARTTLS命令。q16sm26107597pfi.80-gsmtp”