postmail.py文件中line 113--115行的部分,是不是写的有问题? mail['To'] = ", ".join(receiver) mail['Cc'] = ", ".join(cc) mail['Bcc'] = ", ".join(bcc) 正确的写法应该是(逗号换成分号): mail['To'] = "; ".join(receiver) mail['Cc'] = "; ".join(cc) mail['Bcc'] = "; ".join(bcc)