After send the mail to openh323gk-users@xxxxxxxxxxxxxxxxxxxxx
,I always receive the message as below. Why ? The message to openh323gk-users@xxxxxxxxxxxxxxxxxxxxx is
bounced because : SMTP error, RCPT TO: 550-Postmaster verification failed while
checking <x385@xxxxxxx> 550-(result of earlier verification reused). 550-Several RFCs state that you are required to have a
postmaster 550-mailbox for each mail domain. This host does not accept mail
550-from domains whose servers reject the postmaster address. 550
Sender verify failed |