Postfix Mail server Problem ...................
Hai all,
I Have Configured Postfix mail server in Redhat system it working as fine , but the problem is one day before, one user(eg John) sending a mail to another user(eg Kunal) it going ,but one more another user(eg Kumar) sending to same user(eg Kunal) it getting error like
/var/log/maillog
status=bounced, said:550-verification failed for 550-Unrountable address 550 sender verify failed( in reply to RCPT To command)
I don't known why it getting error
Any help me.............
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