dovecot操作手册地址
https://doc.dovecot.org/admin_manual/
注：dovecot的命令网址上归纳的很全，一般都可以查到
1. 列出用户邮箱列表：
doveadm mailbox list [-7|-8] [-A|-u user|-F file] [-S socket_path] [-s] [mailbox ...]
eg：doveadm mailbox list -u username
2. 操作用户邮箱列表
（1）新增
doveadm mailbox create [-A|-u user|-F file] [-S socket_path] [-g guid] [-s] mailbox ...
eg：doveadm mailbox create -u username inbox/test
（2）重命名
doveadm mailbox rename [-A|-u user|-F file] [-S socket_path] [-s] old_name new_name
eg：doveadm mailbox rename -u username inbox/test inbox/test01
（3）删除
doveadm mailbox delete [-A|-u user|-F file] [-S socket_path] [-s] [-r] [-e] [-Z] mailbox ...
eg：doveadm mailbox delete -u username inbox/test01
