我在python程序中使用smtplib服务器发送邮件时收到错误

Question

这是我的代码：

send: 'mail FROM:<zequbal20@gmail.com> size=453\r\n'
reply: '250 2.1.0 OK m6sm1118977pfm.22 - gsmtp\r\n'
reply: retcode (250); Msg: 2.1.0 OK m6sm1118977pfm.22 - gsmtp
send: 'rcpt TO:<>\r\n'
reply: '555 5.5.2 Syntax error. m6sm1118977pfm.22 - gsmtp\r\n'
reply: retcode (555); Msg: 5.5.2 Syntax error. m6sm1118977pfm.22 - gsmtp
send: 'rcpt TO:<>\r\n'
reply: '555 5.5.2 Syntax error. m6sm1118977pfm.22 - gsmtp\r\n'
reply: retcode (555); Msg: 5.5.2 Syntax error. m6sm1118977pfm.22 - gsmtp
send: 'rset\r\n'
reply: '250 2.1.5 Flushed m6sm1118977pfm.22 - gsmtp\r\n'
reply: retcode (250); Msg: 2.1.5 Flushed m6sm1118977pfm.22 - gsmtp
{"('mezequbal20@gmail.co',)": (555, '5.5.2 Syntax error. m6sm1118977pfm.22 - gsmtp'), "('mezequbal@gmail.com',)": (555, '5.5.2 Syntax error. m6sm1118977pfm.22 - gsmtp')}