Facebook
TwitterJohn Bboyd
New Pleskian
Hello,
I have a plesk (ver12.5, CentOS 7) server and in it, there are multiple domains. These domains have been distributed amongst 2 different IPs. (4 domains on IP1 and 3 domains on IP2). I want to match the SMTP HELO with rDNS because it helps with the email deliverability. I know there is an option in the Mail Setting "Send from domain IP addresses and use domain names in SMTP greeting", but I've been told that I shouldn't use that and it will get me blacklisted. I've been told that I should only use that if I have a dedicated IP for each of my domain name. Link to an article - http://www.abuseat.org/PleskAvoid.html
1. Can someone please explain it to me in detail, why I shouldn't, why I've been suggested that it'll get me black listed ? (main question)
2. What is plesk doing about it ?
3. Can I truly not achieve matching HELO-rDNS without wasting IP space or getting myself blacklisted ? There is no alternative to this situation ? My emails to hotmail are currently tagged as spam and I feel that this could be the problem.
John
I have a plesk (ver12.5, CentOS 7) server and in it, there are multiple domains. These domains have been distributed amongst 2 different IPs. (4 domains on IP1 and 3 domains on IP2). I want to match the SMTP HELO with rDNS because it helps with the email deliverability. I know there is an option in the Mail Setting "Send from domain IP addresses and use domain names in SMTP greeting", but I've been told that I shouldn't use that and it will get me blacklisted. I've been told that I should only use that if I have a dedicated IP for each of my domain name. Link to an article - http://www.abuseat.org/PleskAvoid.html
1. Can someone please explain it to me in detail, why I shouldn't, why I've been suggested that it'll get me black listed ? (main question)
2. What is plesk doing about it ?
3. Can I truly not achieve matching HELO-rDNS without wasting IP space or getting myself blacklisted ? There is no alternative to this situation ? My emails to hotmail are currently tagged as spam and I feel that this could be the problem.
John
