我发送电子邮件从我的域名prokubo.com使用谷歌应用程序，我已经返回电子邮件至lesssendind到两个不同的域：
Delivery to the following recipient failed permanently: [email protected] Technical details of permanent failure: Google tried to deliver your message, but it was rejected by the server for the recipient domain centralaccount.pt by mail-pt.securemail.pro . [81.88.48.101]. The error that the other server returned was: 550-Verification failed for <[email protected]> 550-Unrouteable address 550 Sender verify failed 并且
Delivery to the following recipient failed permanently: [email protected] Technical details of permanent failure: Google tried to deliver your message, but it was rejected by the server for the recipient domain coworklisboa.pt by mx1.coworklisboa.pt . [81.88.48.104]. The error that the other server returned was: 550-Verification failed for <[email protected]> 550-Unrouteable address 550 Sender verify failed
这是我能解决的吗？ 我没有spflogging，现在，我添加了，但同样的事情不断发生:(