我可以从 gmail 接收电子邮件,但是某些其他服务器在尝试向我的服务器发送电子邮件时被拒绝
以下是我尝试从startcom.org以及前一天尝试向我发送某些内容的其他服务器获取身份验证时的日志。
Oct 11 05:26:54 snw postfix/smtpd[2342]: connect from 118-161-77-187.dynamic.hinet.net[118.161.77.187]
Oct 11 05:26:55 snw postfix/smtpd[2342]: NOQUEUE: reject: RCPT from 118-161-77-187.dynamic.hinet.net[118.161.77.187]: 454 4.7.1 <support@microsoft.com>: Relay access denied; from=<support@microsoft.com> to=<support@microsoft.com> proto=SMTP helo=<159.8.48.206>
Oct 11 05:26:56 snw postfix/smtpd[2342]: lost connection after RCPT from 118-161-77-187.dynamic.hinet.net[118.161.77.187]
Oct 11 05:26:56 snw postfix/smtpd[2342]: disconnect from 118-161-77-187.dynamic.hinet.net[118.161.77.187]
Oct 11 05:30:16 snw postfix/anvil[2344]: statistics: max connection rate 1/60s for (smtp:118.161.77.187) at Oct 11 05:26:54
Oct 11 05:30:16 snw postfix/anvil[2344]: statistics: max connection count 1 for (smtp:118.161.77.187) at Oct 11 05:26:54
Oct 11 05:30:16 snw postfix/anvil[2344]: statistics: max cache size 1 at Oct 11 05:26:54
Oct 11 12:31:05 snw postfix/smtpd[2613]: connect from 118-161-77-187.dynamic.hinet.net[118.161.77.187]
Oct 11 12:31:06 snw postfix/smtpd[2613]: NOQUEUE: reject: RCPT from 118-161-77-187.dynamic.hinet.net[118.161.77.187]: 454 4.7.1 <support@microsoft.com>: Relay access denied; from=<support@microsoft.com> to=<support@microsoft.com> proto=SMTP helo=<159.8.48.206>
Oct 11 12:31:07 snw postfix/smtpd[2613]: lost connection after RCPT from 118-161-77-187.dynamic.hinet.net[118.161.77.187]
Oct 11 12:31:07 snw postfix/smtpd[2613]: disconnect from 118-161-77-187.dynamic.hinet.net[118.161.77.187]
Oct 11 12:34:27 snw postfix/anvil[2615]: statistics: max connection rate 1/60s for (smtp:118.161.77.187) at Oct 11 12:31:05
Oct 11 12:34:27 snw postfix/anvil[2615]: statistics: max connection count 1 for (smtp:118.161.77.187) at Oct 11 12:31:05
Oct 11 12:34:27 snw postfix/anvil[2615]: statistics: max cache size 1 at Oct 11 12:31:05
Oct 11 13:45:07 snw dovecot: imap-login: Disconnected (no auth attempts in 1 secs): user=<>, rip=141.212.122.112, lip=159.8.48.206, TLS: Disconnected, session=<pGIDxtch6QCN1Hpw>
Oct 11 23:42:31 snw postfix/smtpd[3020]: connect from 118-161-77-187.dynamic.hinet.net[118.161.77.187]
Oct 11 23:42:32 snw postfix/smtpd[3020]: NOQUEUE: reject: RCPT from 118-161-77-187.dynamic.hinet.net[118.161.77.187]: 454 4.7.1 <support@microsoft.com>: Relay access denied; from=<support@microsoft.com> to=<support@microsoft.com> proto=SMTP helo=<159.8.48.206>
Oct 11 23:42:33 snw postfix/smtpd[3020]: lost connection after RCPT from 118-161-77-187.dynamic.hinet.net[118.161.77.187]
Oct 11 23:42:33 snw postfix/smtpd[3020]: disconnect from 118-161-77-187.dynamic.hinet.net[118.161.77.187]
Oct 11 23:45:53 snw postfix/anvil[3022]: statistics: max connection rate 1/60s for (smtp:118.161.77.187) at Oct 11 23:42:31
Oct 11 23:45:53 snw postfix/anvil[3022]: statistics: max connection count 1 for (smtp:118.161.77.187) at Oct 11 23:42:31
Oct 11 23:45:53 snw postfix/anvil[3022]: statistics: max cache size 1 at Oct 11 23:42:31
Oct 12 17:28:53 snw postfix/smtpd[3682]: connect from gateway.startcom.org[212.117.158.94]
Oct 12 17:28:55 snw postfix/smtpd[3682]: 12EE9DA2954: client=gateway.startcom.org[212.117.158.94]
Oct 12 17:28:55 snw postfix/smtpd[3682]: lost connection after RCPT from gateway.startcom.org[212.117.158.94]
Oct 12 17:28:55 snw postfix/smtpd[3682]: disconnect from gateway.startcom.org[212.117.158.94]
Oct 12 17:29:01 snw postfix/smtpd[3682]: connect from apache-7.startcom.org[192.116.242.7]
Oct 12 17:29:01 snw postfix/smtpd[3682]: SSL_accept error from apache-7.startcom.org[192.116.242.7]: -1
Oct 12 17:29:01 snw postfix/smtpd[3682]: warning: TLS library problem: 3682:error:140760FC:SSL routines:SSL23_GET_CLIENT_HELLO:unknown protocol:s23_srvr.c:647:
Oct 12 17:29:01 snw postfix/smtpd[3682]: lost connection after STARTTLS from apache-7.startcom.org[192.116.242.7]
Oct 12 17:29:01 snw postfix/smtpd[3682]: disconnect from apache-7.startcom.org[192.116.242.7]
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这是我使用 gmail 发送到我的服务器时的日志
Oct 12 17:58:05 snw postfix/smtpd[3968]: connect from mail-io0-f174.google.com[209.85.223.174]
Oct 12 17:58:05 snw postfix/smtpd[3968]: E3E54DA0A51: client=mail-io0-f174.google.com[209.85.223.174]
Oct 12 17:58:06 snw postfix/cleanup[3977]: E3E54DA0A51: message-id=<CADZik+Vnys--dh_dhOqTSE2ZePWZiBKVp9-EqnYAyJRfk+hQGA@mail.gmail.com>
Oct 12 17:58:06 snw postfix/qmgr[5644]: E3E54DA0A51: from=<bnguyen170@gmail.com>, size=1931, nrcpt=1 (queue active)
Oct 12 17:58:06 snw postfix/smtpd[3968]: disconnect from mail-io0-f174.google.com[209.85.223.174]
Oct 12 17:58:06 snw postfix/pipe[3980]: E3E54DA0A51: to=<admin@phantastyc.tk>, relay=dovecot, delay=0.77, delays=0.38/0.1/0/0.29, dsn=2.0.0, status=sent (delivered via dovecot service)
Oct 12 17:58:06 snw postfix/qmgr[5644]: E3E54DA0A51: removed
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我用:
postconf输出)我怀疑这与我的服务器对 SSL/TLS 身份验证的限制有关,但是我如何配置我的服务器以便它几乎可以接受任何东西
问题在这些日志行中很明显:
Oct 12 17:29:01 snw postfix/smtpd[3682]: SSL_accept error from apache-7.startcom.org[192.116.242.7]: -1
Oct 12 17:29:01 snw postfix/smtpd[3682]: warning: TLS library problem: 3682:error:140760FC:SSL routines:SSL23_GET_CLIENT_HELLO:unknown protocol:s23_srvr.c:647:
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apache7-startcom.org 尝试建立 SSL/TLS 连接但失败,可能是因为它尝试使用您的服务器不接受的 SSL/TLS 协议。
您应该真正发布 just 的输出,postconf -n以便它仅显示与默认值不同的配置参数。您的postconf输出包含太多噪音而无法真正有用。
也就是说,在您的要点的第 713 行中,您postconf似乎禁止了除 TLSv1.2 之外的所有 TLS 协议。这对于应该能够接受传入邮件的邮件服务器来说是非常严格的并且可能太多了。我会像这样设置相关的 TLS 配置参数:
smtpd_tls_mandatory_protocols=!SSLv2,!SSLv3
smtp_tls_mandatory_protocols=!SSLv2,!SSLv3
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这样您就可以禁用 SSLv2 和 SSLv3,它们都已损坏且不安全,而让 TLSv1、TLSv1.1 和 TLSv1.2 可用。中添加或更改这些参数后重新启动 Postfix /etc/postfix/main.cf。
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