xamber Posted February 11, 2014 Share Posted February 11, 2014 So i've been trying everything, no encryption, SSL, TLS. Several different emailadresses. I've checked multiple times that the information i'm supplying WHMCS is correct. Nothing works in whmcs regarding mail, and i do not want to use phpmail.. I'm the host of the mail and i can guarantee that the mail server and dns servers are working perfectly since i'm using them daily. It's just comes to an halt when trying to send mail from whmcs. We need to solve this, since i can see a lot of people having the same troubles but none can offer an true solution. 0 Quote Link to comment Share on other sites More sharing options...
xamber Posted February 11, 2014 Author Share Posted February 11, 2014 Forgot to mention, im running cpanel. I've been trying all of the following ports: 465 587 25 (smtp ports) 0 Quote Link to comment Share on other sites More sharing options...
xamber Posted February 11, 2014 Author Share Posted February 11, 2014 Got it to work, had to enable nat reflection. Was not related to whmcs at all. 0 Quote Link to comment Share on other sites More sharing options...
jpkelly Posted February 12, 2014 Share Posted February 12, 2014 Got it to work, had to enable nat reflection. Was not related to whmcs at all. nat reflection? whuts dat? 0 Quote Link to comment Share on other sites More sharing options...
xamber Posted February 12, 2014 Author Share Posted February 12, 2014 nat reflection? whuts dat? Well basicly ut blocks so you can't look up the DNSrecords that are pointed at your public ip. Turn that ON (nat reflection in your router) and it will look up the DNS which will solve it. How ever this can be an security issue since it opens up an DNS rebind exploit that can screw things up, so since whmcs is hosted on my Cpanel machine I just used 127.0.0.1 for the SMTP host. Problem solved. 0 Quote Link to comment Share on other sites More sharing options...
Emmanuel Posted June 8, 2014 Share Posted June 8, 2014 Well basicly ut blocks so you can't look up the DNSrecords that are pointed at your public ip. Turn that ON (nat reflection in your router) and it will look up the DNS which will solve it. How ever this can be an security issue since it opens up an DNS rebind exploit that can screw things up, so since whmcs is hosted on my Cpanel machine I just used 127.0.0.1 for the SMTP host. Problem solved. I had a similar problem and on changing the SMTP host to 127.0.0.1, it worked. Thank you for sharing that information. 0 Quote Link to comment Share on other sites More sharing options...
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