stmp明文认证问题

错误:-ERR Plaintext authentication disallowed on non-secure (SSL/TLS) connections.


需要修改dovecot主配置文件/etc/dovecot/dovecot.conf:
protocols = imap pop3 lmtp
login_trusted_networks = 0.0.0.0/0(修改这一句后,打开thunderbird不弹出错误窗口)

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