Hi Guys, There is one domain inside our network which uses our mail server to send mails . But now users from that domain cant send mails to other domains.. i have done basic steps and iam getting message like this telnet 192.168.1.63 25 helo 501 Syntax: HELO hostname mail from:[email protected] 250 Ok rcpt to:[email protected] 554 <[email protected]>: Relay access denied please give me some valuable suggestion to over come tis issue thanks rakesh
