i am using hmail server and relay it with zoho smtp , i downloaded all mail at client in outlook very well but when i tried to send email otherthan zoho mail then get this following kind of error
"APPLICATION"
9884
"2017-12-07 17:29:00.555"
"SMTPDeliverer - Message 2368: Relaying to host smtp.zoho.com."
"APPLICATION"
9884
"2017-12-07 17:29:00.557"
"SMTPDeliverer - Message 2368: Message could not be delivered. Returning error log to sender."
"APPLICATION"
9884
"2017-12-07 17:29:00.559"
"SMTPDeliverer - Message 2368: Message delivery thread completed."
"SMTPD"
17640
873
"2017-12-07 17:29:03.015"
"192.168.10.99"
"RECEIVED: QUIT"
"SMTPD"
17640
873
"2017-12-07 17:29:03.015"
"192.168.10.99"
"SENT: 221 goodbye"