我看了很多解决方案页面，但我无法解决这个问题。我不明白为什么会发生这种情况，因为昨天使用它时一切都很完美。请帮助我:(
注意：我只是一个网页管理员，而不是服务器管理员
!!!!您可以在此处查看我的代码并下载 - ＆gt; http://s2.dosya.tc/server/6vnkfc/codes.rar.html
我的日志：
SMTP -> get_lines(): $data was ""
SMTP -> get_lines(): $str is "220-nserver75.emikrondns.com ESMTP Exim 4.87 #1 Tue, 14 Jun 2016 00:22:22 +0300 "
SMTP -> get_lines(): $data is "220-nserver75.emikrondns.com ESMTP Exim 4.87 #1 Tue, 14 Jun 2016 00:22:22 +0300 "
SMTP -> get_lines(): $data was "220-nserver75.emikrondns.com ESMTP Exim 4.87 #1 Tue, 14 Jun 2016 00:22:22 +0300 "
SMTP -> get_lines(): $str is "220-We do not authorize the use of this system to transport unsolicited, "
SMTP -> get_lines(): $data is "220-nserver75.emikrondns.com ESMTP Exim 4.87 #1 Tue, 14 Jun 2016 00:22:22 +0300 220-We do not authorize the use of this system to transport unsolicited, "
SMTP -> get_lines(): $data was "220-nserver75.emikrondns.com ESMTP Exim 4.87 #1 Tue, 14 Jun 2016 00:22:22 +0300 220-We do not authorize the use of this system to transport unsolicited, "
SMTP -> get_lines(): $str is "220 and/or bulk e-mail. "
SMTP -> get_lines(): $data is "220-nserver75.emikrondns.com ESMTP Exim 4.87 #1 Tue, 14 Jun 2016 00:22:22 +0300 220-We do not authorize the use of this system to transport unsolicited, 220 and/or bulk e-mail. "
SMTP -> FROM SERVER:220-nserver75.emikrondns.com ESMTP Exim 4.87 #1 Tue, 14 Jun 2016 00:22:22 +0300 220-We do not authorize the use of this system to transport unsolicited, 220 and/or bulk e-mail.
SMTP -> get_lines(): $data was ""
SMTP -> get_lines(): $str is "250-nserver75.emikrondns.com Hello gorselsozluk.com [37.247.96.230] "
SMTP -> get_lines(): $data is "250-nserver75.emikrondns.com Hello gorselsozluk.com [37.247.96.230] "
SMTP -> get_lines(): $data was "250-nserver75.emikrondns.com Hello gorselsozluk.com [37.247.96.230] "
SMTP -> get_lines(): $str is "250-SIZE 52428800 "
SMTP -> get_lines(): $data is "250-nserver75.emikrondns.com Hello gorselsozluk.com [37.247.96.230] 250-SIZE 52428800 "
SMTP -> get_lines(): $data was "250-nserver75.emikrondns.com Hello gorselsozluk.com [37.247.96.230] 250-SIZE 52428800 "
SMTP -> get_lines(): $str is "250-8BITMIME "
SMTP -> get_lines(): $data is "250-nserver75.emikrondns.com Hello gorselsozluk.com [37.247.96.230] 250-SIZE 52428800 250-8BITMIME "
SMTP -> get_lines(): $data was "250-nserver75.emikrondns.com Hello gorselsozluk.com [37.247.96.230] 250-SIZE 52428800 250-8BITMIME "
SMTP -> get_lines(): $str is "250-PIPELINING "
SMTP -> get_lines(): $data is "250-nserver75.emikrondns.com Hello gorselsozluk.com [37.247.96.230] 250-SIZE 52428800 250-8BITMIME 250-PIPELINING "
SMTP -> get_lines(): $data was "250-nserver75.emikrondns.com Hello gorselsozluk.com [37.247.96.230] 250-SIZE 52428800 250-8BITMIME 250-PIPELINING "
SMTP -> get_lines(): $str is "250-AUTH PLAIN LOGIN "
SMTP -> get_lines(): $data is "250-nserver75.emikrondns.com Hello gorselsozluk.com [37.247.96.230] 250-SIZE 52428800 250-8BITMIME 250-PIPELINING 250-AUTH PLAIN LOGIN "
SMTP -> get_lines(): $data was "250-nserver75.emikrondns.com Hello gorselsozluk.com [37.247.96.230] 250-SIZE 52428800 250-8BITMIME 250-PIPELINING 250-AUTH PLAIN LOGIN "
SMTP -> get_lines(): $str is "250 HELP "
SMTP -> get_lines(): $data is "250-nserver75.emikrondns.com Hello gorselsozluk.com [37.247.96.230] 250-SIZE 52428800 250-8BITMIME 250-PIPELINING 250-AUTH PLAIN LOGIN 250 HELP "
SMTP -> FROM SERVER: 250-nserver75.emikrondns.com Hello gorselsozluk.com [37.247.96.230] 250-SIZE 52428800 250-8BITMIME 250-PIPELINING 250-AUTH PLAIN LOGIN 250 HELP
SMTP -> get_lines(): $data was ""
SMTP -> get_lines(): $str is "334 VXNlcm5hbWU6 "
SMTP -> get_lines(): $data is "334 VXNlcm5hbWU6 "
SMTP -> get_lines(): $data was ""
SMTP -> get_lines(): $str is "334 UGFzc3dvcmQ6 "
SMTP -> get_lines(): $data is "334 UGFzc3dvcmQ6 "
SMTP -> get_lines(): $data was ""
SMTP -> get_lines(): $str is "235 Authentication succeeded "
SMTP -> get_lines(): $data is "235 Authentication succeeded "
SMTP -> get_lines(): $data was ""
SMTP -> get_lines(): $str is "250 OK "
SMTP -> get_lines(): $data is "250 OK "
SMTP -> FROM SERVER:250 OK
SMTP -> get_lines(): $data was ""
SMTP -> get_lines(): $str is "250 Accepted "
SMTP -> get_lines(): $data is "250 Accepted "
SMTP -> FROM SERVER:250 Accepted
SMTP -> get_lines(): $data was ""
SMTP -> get_lines(): $str is "354 Enter message, ending with "." on a line by itself "
SMTP -> get_lines(): $data is "354 Enter message, ending with "." on a line by itself "
SMTP -> FROM SERVER:354 Enter message, ending with "." on a line by itself
SMTP -> get_lines(): $data was ""
SMTP -> get_lines(): $str is "421 Unexpected failure, please try later "
SMTP -> get_lines(): $data is "421 Unexpected failure, please try later "
SMTP -> FROM SERVER:421 Unexpected failure, please try later
SMTP -> ERROR: DATA not accepted from server: 421 Unexpected failure, please try later
SMTP Error: Data not accepted.
答案 0 :(得分：0)
421意外失败，请稍后再试
这是服务器端的临时问题，就像它说你应该稍后再试。此类错误的原因可能是邮件服务器上的完整磁盘或某些限制您允许在特定时间或类似时间内发送的邮件数量。
如果问题仍然存在，您需要联系邮件服务器的提供商并要求解释或解决问题。