+ 0 Votes NDR New exchange install Omnicef 7 years ago You need to look at your SMTP Virtual Server. It is denying your users from sending mail. How do they connect to Exchange? POP? Natively? + 0 Votes What next mmbc_voltron 7 years ago What do i look for in the virual server?They are using a local profile connected to the exchange mail box. they are not connected to a pop account. + 0 Votes the return message tells you whats wrong CG IT 7 years ago look at the return message, don't allow relaying on your Exchange. Most mail services check to see if your mail server is an open relay. If it is, it gets reported and the mail server will deny mail. uncheck the box allow relaying except.here's a MS KB article: http://support.microsoft.com/kb/895853/en-us + 0 Votes The settings are default mmbc_voltron 7 years ago I have the default settingswhere is the setting for uncheck the box allow relaying exceptDid you mean The Allow all computers which successfully authenticate to relay?Right-click the virtual SMTP server where you want to prevent mail relay, and then click Properties. d. Click the Access tab, and then click Relay. e. By default, open relay is blocked. The default settings are as follows: ? The Only the list below check box is selected. ? The Allow all computers which successfully authenticate to relay, regardless of the list above check box is selected. + 0 Votes ok as long as you don't have an open relay CG IT 7 years ago the return admin message code 7004 indicates relaying or that the domain name the mail is from is not the same domain name as the mail server sending the mail. + 0 Votes here is my settings mmbc_voltron 7 years ago General - ip address -- all unassignedlimit 500enable logging W3cadvancedall unassigned 25 yesthese are checkedsender filtersender id filterrecipient filter intelligent message filteraccessauth -- basic auth checked - intergrated checkedconnection - all except the list below blankrelay -- all except the list below. Blank + 0 Votes exchange Omnicef 7 years ago Outlook connecting to Exchange server natively does not relay.