Enable Open or Limited Relay – Exchange 2007 & 2010
An open relay allows your Exchange server to deliver email that did not come from a connected Outlook Client or OWA. So for example if you wanted a 3rd party (either a software product like Backup Exec...
View ArticleExchange 2007 – Publishing Internal IP
After demoing some new spam software we noticed that some sending servers were publishing there Internal IP address in the SMTP reply Header. As some spam filters do a reverse SMTP connection to the...
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