I think I finally got this issue fixed. Warning: 550-5.7.1 Our system has detected that this message does not meet IPv6 sending guidelines regarding PTR records and authentication. Please review 550-5.7.1 I first mentioned the problem with the IPv6 warning in this thread. And then I mentioned it again here. And I had thought it […]
I’ve made a few posts already about issues with emails being rejected by gmail addresses with a variety of messages. Ultimately, the solution that seems to have finally resolved my problems includes the following steps: send a message from your email address to mail-tester.com and fix any issues that show up, this may involve setting
Cyberpanel with Cloudflare – outgoing emails being rejected by gmail addresses Read More »
TLDR: gmail has very strict anti-spam and forwarding emails makes it even tougher to pass their spam filters. The best you can do is run your emails through a test site like mail-tester.com and lookup how to solve each of the issues presented. I found forwarding emails to outlook instead of gmail worked fine. If
Cyberpanel email log – IP address does not have a PTR record setup 550-5.7.25 Read More »
I’ve been using cyberpanel for a bit over 3 months now. I know because I had issues with the SSL not renewing properly, as mentioned in this post. The initial SSL was good for 90 days, so I must have been using this for longer than that at this point. I have very mixed feelings
Cyberpanel – 90 day review August 2022 Read More »
Updates 8/4/2022 – Cyberpanel now has a page with solutions for SSL problems, and I managed to find a solution that worked for me. I’ve noticed that several of my SSL certificates say they are “self-signed” instead of a full regular SSL certificate. I had zero issues with my original cpanel host, but started to
Cyberpanel SSL renewal – self-signed instead of full Read More »
I was working on figuring out why emails forwarded through cyberpanel weren’t being received at gmail. During the troubleshooting process, I found the following error message when I went into Cloudflare to try to make sure my DNS settings were correct: The number of lookups on your SPF record exceed the allowed limit of 10.
550-5.7.25 The IP address sending this message does not have a PTR record setup, or the corresponding forward DNS entry does not point to the sending IP. As a policy, Gmail does not accept messages from IPs with missing PTR records. Please visit 550-5.7.25 TLDR: you need to make sure your DNS settings are correct