Mail delivery failed: returning message to sender

पवन साह Avatar
This message was created automatically by mail delivery software.
A message that you sent could not be delivered to one or more of its recipients. This is a permanent error. The following address(es) failed:
[email protected] host hotmail-com.olc.protection.outlook.com [52.101.42.17] SMTP error from remote mail server after pipelined end of data: 503 5.5.2 Need rcpt command [CO1PEPF000066E9.namprd05.prod.outlook.com 2025-11-16T04:43:38.613Z 08DE241B510CA390] [email protected] host hotmail-com.olc.protection.outlook.com [52.101.42.17] SMTP error from remote mail server after pipelined end of data: 503 5.5.2 Need rcpt command [CO1PEPF000066E9.namprd05.prod.outlook.com 2025-11-16T04:43:38.613Z 08DE241B510CA390] [email protected] host hotmail-com.olc.protection.outlook.com [52.101.42.17] SMTP error from remote mail server after RCPT TO:<[email protected]>: 550 5.5.0 Requested action not taken: mailbox unavailable (S2017062302). [CO1PEPF000066E9.namprd05.prod.outlook.com 2025-11-16T04:43:38.537Z 08DE241B510CA390] [email protected] host mx00.emig.gmx.net [212.227.15.9] SMTP error from remote mail server after initial connection: 554-gmx.net (mxgmx007) Nemesis ESMTP Service not available 554-No SMTP service 554-IP address is block listed. 554 For explanation visit postmaster.gmx.net/en/case?c=r0302&i=ip&v=128.204.223.95&r=1MMnnq-1vd7OP2lN6-00VLsG [email protected] host mx00.emig.gmx.net [212.227.15.9] SMTP error from remote mail server after initial connection: 554-gmx.net (mxgmx007) Nemesis ESMTP Service not available 554-No SMTP service 554-IP address is block listed. 554 For explanation visit postmaster.gmx.net/en/case?c=r0302&i=ip&v=128.204.223.95&r=1MMnnq-1vd7OP2lN6-00VLsG [email protected] host mx00.emig.gmx.net [212.227.15.9] SMTP error from remote mail server after initial connection: 554-gmx.net (mxgmx007) Nemesis ESMTP Service not available 554-No SMTP service 554-IP address is block listed. 554 For explanation visit postmaster.gmx.net/en/case?c=r0302&i=ip&v=128.204.223.95&r=1MMnnq-1vd7OP2lN6-00VLsG