Quick note to anyone coming on this post. I had turned port 25 off in master.cf thinking that since I was using 587 for sending, I didn't need to...
I think I've figured it out. Problem was in /etc/postfix/master.cf I had disabled listening on port 25 like this: #smtp inet n -...
Hi there, I'm struggling with email. I'm trying to setup ISPConfig 3.1.2 on CentOS 7.3. I'm hosting three domains on the installation. I'll...
A couple of days later and things have progressed a little. Port 25 was indeed blocked by my router. I have disabled port 25 and enabled port...
This is odd, maybe. When I'm tethering through my cell phone ( so on my mobile network ) the DNS is now resolving mydomain.com and...
Thank you, Till, for the reply. I think it might actually be a DNS issue. My cell provider, for example, is still reporting old ip addresses for...
Hello, I am trying to debug two issues trying to stand up ISPConfig 3.1.2 on CentOS 7.3 on a Linode instance. I followed the Perfect Server for...
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