seafile5社区版支持发邮件吗？忘记密码或重置密码需要邮件验证，但是配置邮件之后发送不了邮件，
seahub_settings.py配置：
EMAIL_USE_SSL = True
EMAIL_HOST = ‘smtp.exmail.qq.com’
EMAIL_HOST_USER = ‘username@domain.com’
EMAIL_HOST_PASSWORD = ‘Auth_Code’
EMAIL_PORT = ‘465’
DEFAULT_FROM_EMAIL = EMAIL_HOST_USER
SERVER_EMAIL = EMAIL_HOST_USER
日志记录：
2021-05-18 15:19:54,670 [ERROR] seahub.auth.views:300 password_reset Connection unexpectedly closed
2021-05-18 15:31:26,252 [ERROR] seahub.auth.views:300 password_reset Connection unexpectedly closed
2021-05-18 15:41:44,305 [ERROR] seahub.auth.views:300 password_reset Connection unexpectedly closed
2021-05-18 15:48:22,389 [ERROR] seahub.auth.views:300 password_reset Connection unexpectedly closed