Hi, On 2021-07-05 10:55 a.m., Vincent Lefevre wrote: > On 2021-07-05 10:32:27 -0400, Polyna-Maude Racicot-Summerside wrote: >>> What is this 162.213.253.79 IP address? >> >> The IP address 162.213.253.79 is the dedicated IP I rent from Namecheap. > > OK. > >> Can you control its reverse? >>> >> Good question, I'll need to go back read a bit on networking and DNS >> management. >>> Is cyrania.com a domain that you own? >> Yes, I own cyrania.com and polynamaude.com (the domain name used for the >> email I am sending). I know the SMTP server respond to the name >> CYRANIA.COM (HELO) but is relaying mail for polynamaude.com too. > > It seems that you already set up the reverse for 162.213.253.79 since > it is cyrania.com (your domain). > > You may want to add 162.213.253.79 to the cyrania.com IP addresses, > but if cyrania.com is used as a www host and 162.213.253.79 shoud > not be used for this purpose, this is not OK. > 162.213.253.79 can be used for my web server, it's even the goal. But Cloudflare proxy service require me to use their own IP (so they can optimize and cache, plus offer DDOS). I'll simply disable cloudflare for those domain that I use for email. I don't host a web server (now a parking page) on the domain I use for emails. > In general, it is better to have a specific FQDN for each IP address. > For instance, 162.213.253.79 would have nodename.cyrania.com as the > reverse and nodename.cyrania.com would resolve to 162.213.253.79, > where nodename is the name obtained with the "uname -n" command. > For now it's shared hosting for both email and web server... I'll give it a try with removing CloudFlare later on today. -- Polyna-Maude R.-Summerside -Be smart, Be wise, Support opensource development
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