你好,我想通过SMTP协议发送电子邮件到我的一个Gmail账户...
我尝试了一下,但最终出现了错误:
telnet> open alt4.gmail-smtp-in.l.google.com 25
Trying 74.125.131.27...
Connected to alt4.gmail-smtp-in.l.google.com.
Escape character is '^]'.
220 mx.google.com ESMTP b4si2095585vdw.57 - gsmtp
HELO stackoverflow.com
250 mx.google.com at your service
MAIL FROM: <test@stackoverflow.com>
250 2.1.0 OK b4si2095585vdw.57 - gsmtp
RCPT TO: <■■■■@gmail.com> // filtered ;)
250 2.1.5 OK b4si2095585vdw.57 - gsmtp
DATA
354 Go ahead b4si2095585vdw.57 - gsmtp
test
ok
it done
.
550-5.7.1 [5.22.81.102] The IP you're using to send mail is not authorized to
550-5.7.1 send email directly to our servers. Please use the SMTP relay at your
550-5.7.1 service provider instead. Learn more at
550 5.7.1 http://support.google.com/mail/bin/answer.py?answer=10336 b4si2095585vdw.57 - gsmtp
Connection closed by foreign host.
现在我该怎样发送邮件而不会遇到这个问题呢?