POP3命令由一个命令和一些参数组成。所有命令以一个CRLF对结束。命令和参数由可打印的ASCII字符组成，它们之间由空格间隔。命令一般是三到四个字母，每个参数却可达40个字符长.
Mozilla Thunderbird Logging
admin Posted in dovecot，
12
五月
2010
https://wiki.mozilla.org/MailNews:Logging
The MailNews logging mechanism is activated by setting two environment variables before running a MailNews application.
