Exchange 2003 and Authenticated User Relay Spam

Posted by & filed under Exchange Server.

Exchange 2003 is a good target for spammers since it is very widely used (still) and has a history of installations with less than ideal security. In addition to the typical email-turned-spam server scenarios (open relay, security holes, NDRs), authenticated relays are next on the list. This happens when the security credentials of a user… Read more »

Configure Exchange 2013 to send external email

Posted by & filed under Exchange Server.

So you’ve just installed Exchange 2013 and you can’t send emails to other domains? No problem. Similar to Exchange 2010 (instructions found here), Exchange 2013 is installed without a default send connector enabled. In order to send emails to other Exchange servers or external domains, you’ll need to set it up. Follow the steps below to setup… Read more »

Configure Exchange 2010 to send external emails

Posted by & filed under Exchange Server.

Here are updated instructions if you are looking for Exchange 2013: http://www.iishacks.com/2013/04/26/configure-exchange-2013-to-send-external-email/ So you can’t send email from a fresh install of Exchange 2010? Unlike Exchange 2003, Exchange 2010 cannot send emails to external domains out-of-the-box. This feature needs to be enabled through the use of an external send connector. By default, no send connectors are… Read more »