抄送多人时，其中1个邮箱账号配置错误，发送邮件全部失败已解决悬赏5积分

16:06:26 task 7 executed,
command: moduleName=mail&methodName=asyncSend.
return : .
output : Send #21838  result is fail
reason is SMTP 错误：收件人地址错误，或检查SMTP服务设置，是否允许发送该邮件地址：xxx@xxx.com<br />SMTP -> ERROR: RCPT not accepted from server: 550 User not found:xxx@xxx.com

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OK