Topic: 使用除roundcube外的app发送邮件有10秒延迟？
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- iRedMail version: 1.6.1
- Deployed with downloadable installer
- Linux/BSD distribution name and version: Ubuntu 20.04.4 LTS
- Store mail accounts in which backend: LDAP
- Web server (Apache or Nginx):Nginx
- Manage mail accounts with iRedAdmin-Pro? iRedAdmin
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能够正常发送接收邮件，但发送时停顿10秒
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非roundcube发送邮件日志（前两行有10秒延迟，为什么）：
Oct 2 03:04:03 iredmail postfix/submission/smtpd[2501]: initializing the server-side TLS engine
Oct 2 03:04:13 iredmail postfix/submission/smtpd[2501]: connect from unknown[192.168.211.128]
Oct 2 03:04:13 iredmail postfix/submission/smtpd[2501]: setting up TLS connection from unknown[192.168.211.128]
Oct 2 03:04:13 iredmail postfix/submission/smtpd[2501]: unknown[192.168.211.128]: TLS cipher list "aNULL:-aNULL:HIGH:MEDIUM:+RC4:@STRENGTH:!aNULL:!eNULL:!EXPORT:!DES:!RC4:!MD5:!PSK:!aECDH:!EDH-DSS-DES-CBC3-SHA:!EDH-RSA-DES-CDC3-SHA:!KRB5-DE5:!CBC3-SHA"
Oct 2 03:04:13 iredmail postfix/submission/smtpd[2501]: SSL_accept:before SSL initialization
... ...
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如果使用roundcube发送邮件，就没有延迟（前两行无延迟），日志如下：
Oct 2 02:57:32 iredmail postfix/submission/smtpd[2309]: initializing the server-side TLS engine
Oct 2 02:57:32 iredmail postfix/submission/smtpd[2309]: connect from localhost[127.0.0.1]
Oct 2 02:57:32 iredmail postfix/submission/smtpd[2309]: setting up TLS connection from localhost[127.0.0.1]
Oct 2 02:57:32 iredmail postfix/submission/smtpd[2309]: localhost[127.0.0.1]: TLS cipher list "aNULL:-aNULL:HIGH:MEDIUM:+RC4:@STRENGTH:!aNULL:!eNULL:!EXPORT:!DES:!RC4:!MD5:!PSK:!aECDH:!EDH-DSS-DES-CBC3-SHA:!EDH-RSA-DES-CDC3-SHA:!KRB5-DE5:!CBC3-SHA"
Oct 2 02:57:32 iredmail postfix/submission/smtpd[2309]: SSL_accept:before SSL initialization
... ...
为什么
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Spider Email Archiver: On-Premises, lightweight email archiving software developed by iRedMail team. Supports Amazon S3 compatible storage and custom branding.