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WebPanel => CentOS 7 Problems => Topic started by: RDouro on May 29, 2019, 02:59:28 PM

Title: sdns
Post by: RDouro on May 29, 2019, 02:59:28 PM
ostfix Mail Server Manager
Rebuild your mail server with Amavisd, Spamassassin, ClamAV (AntiSpam and AntiVirus Protection)
Hostname needs to have a valid A record and rDNS/PTR set for successful email delivery.
**Reject the request when the hostname in the client HELO (EHLO) command has no DNS A or MX record. The unknown_hostname_reject_code specifies the response code to rejected requests (default: 450).

Your Hostname is: iMy domain and it resolves to IP: (ERROR: You don't have a valid hostname set!)
rDNS/PTR match check = FAILED, check with your hosting provider! FAILED

rDNS/PTR check for IP  = My ip not found!
rDNS/PTR check for IP  = My Ip not found!
rDNS/PTR check for IP  =MY ip  not found!
Title: Re: sdns
Post by: evansa on May 30, 2019, 07:54:24 AM
You need to set a hostname by creating an A record in your DNS to point to your VPS Public IP.For example server.example.com

For rdns, you need to speak to your IP provider to set that for you and must also resolve to the public IP of your server
Title: Re: sdns
Post by: RDouro on May 31, 2019, 12:21:25 PM
The last point did not understand very well.
Do I have to talk to the company that gives me the ip?
I have to ask them to define rDNS what do I have to do on my machine?
Title: Re: sdns
Post by: Igor S. on May 31, 2019, 12:23:39 PM
The last point did not understand very well.
Do I have to talk to the company that gives me the ip?
I have to ask them to define rDNS what do I have to do on my machine?

Yep, you have to ask the server or IP provider
Title: Re: sdns
Post by: RDouro on May 31, 2019, 03:04:46 PM
hello
the rDNS

the rdns is configured on the machine where I have installed the webpanel or I have to ask the isp who provides me the fixed ip?
Title: Re: sdns
Post by: Igor S. on June 01, 2019, 09:59:57 AM
the rdns is configured on the machine where I have installed the webpanel or I have to ask the isp who provides me the fixed ip?

Exactly, you to ask ISP. ;)
Title: Re: sdns
Post by: RDouro on June 01, 2019, 10:21:17 AM
Hello

Yesterday I spoke with ISP it says that the ip is not pointing to the domain but I went where I have the registered domain and I have the minus pointing to i fixed IP
Does this happen because it does not have the cpwpro version?
Title: Re: sdns
Post by: Igor S. on June 02, 2019, 08:27:05 AM
You must have a domain which was registered (you must be owner the domain). And then you will be able to set the PTR.
Title: Re: sdns
Post by: RDouro on June 03, 2019, 11:03:38 AM
hello

yes i´m owner the domain  how i can set PTR in my webpanel ?
Title: Re: sdns
Post by: RDouro on June 04, 2019, 03:12:49 PM
hello

Now aready appears rDNS/PTR  :)

Regards,
Title: Re: sdns
Post by: evansa on June 15, 2019, 08:21:31 PM
ok great