问用foxmail客户端登录后，无法发送和收邮件；在服务器telnet可以发送邮件，但是也后不到邮件？

用foxmail客户端登录后，无法发送和收邮件；在服务器telnet可以发送邮件，但是也收不到邮件

Feb 28 01:44:55 mail dovecot: pop3-login: Login: user=<test>, method=PLAIN, rip=120.229.70.97, lip=172.17.0.3, mpid=19938, TLS, session=<rroV8VS87A145UZh>

Feb 28 01:44:55 mail dovecot: pop3(test): Disconnected: Logged out top=0/0, retr=0/0, del=0/0, size=0

Feb 28 01:58:27 mail dovecot: pop3-login: Aborted login (auth failed, 1 attempts in 4 secs): user=<test@dewcloud.cn>, method=PLAIN, rip=120.229.70.97, lip=172.17.0.3, TLS, session=<znF8IVW88A145UZh>

Feb 28 01:58:31 mail dovecot: pop3-login: Login: user=<test>, method=PLAIN, rip=120.229.70.97, lip=172.17.0.3, mpid=21790, TLS, session=<Kl27IVW89A145UZh>