<https://forums.hak5.org/topic/26861-sendmail-open-relay/#comment-205307>
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"Oh yeah, about relaying. You can configure sendmail to send a copy of all emails that it relays to an email account you create such as logmail or whatever you want to name it. It takes some configuring in the mc.conf but I think I can make this work. I get my new MK4 today so I will work on this over the weekend. \nI have a MK4 that the wireless signal worked only about 5 feet and was past the warranty time to send back. Snubs offered to take it back anyway but after I saw the new elite pack I just ordered a new one and will try to crack open the other and reseat the antenna myself. The hack 5 team is awesome. I will keep you posted on what I come up with. "
<https://forums.hak5.org/topic/26861-sendmail-open-relay/>