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How to configure rDNS and PTR records ?
Hello,
I purchased a VPS from @HostSlick during Black Friday. I have no prior experience with VPS setup, so please consider me a beginner. I successfully set up my VPS and installed ISPConfig 3, which is working fine. However, the only issue I’m facing is with emails not functioning correctly.
After some research, I found that I need to configure rDNS and PTR records from the VPS control panel. However, it seems that these options are disabled. I submitted a support ticket requesting them to set it up for me, but it has been three days, and I haven't received any response—not even a ticket acknowledgment.
Is there any way I can configure these records myself? Any guidance would be greatly appreciated.
Thank you!
Comments
No, this always needs to be done by the provider (either automated via the panel, or a support ticket) - and some providers don't support Reverse DNS records at all.
Most of the offer package does not have mailing port enabled
ohh, then what is the option to enable emails ? how you guys send emails from the servers?
The first step is to check if your server is allowed to send emails at all by not blocking outbound port 25.
If it's blocked, then you can use an SMTP relay service to send mail. MXRoute, Mailchannels, etc.
telnet smtp.aol.com 25
Trying 87.248.97.31...
Connected to smtp.aol.g03.yahoodns.net.
Escape character is '^]'.
220 smtp.mail.yahoo.com ESMTP ready
You should check the port 25 of your server.
You may use MXToolBox service.
All MXroute ports are blocked by @CharityHost_org unless you give them a $25 interest-free loan.
Other providers will soon follow suit.
Yes it's blocked by DEFAULT, as mentioned and you can unblock with $25 retainer fee which is fully refundable upon cancellation of the services as long as the account does not abuse the services.
IP leasors are enforcing fines/fees per abuse report. It's not sustainable to entertain permitting abuse of VPS services. If the VPS does not abuse, then it's net 0 loss for everyone, but if you do, it's $25 fine plus any additional fines that come with it.
Bad way. Not suitable.
So, you servers DOES allow email sending.
I'm not sure "emails not functioning correctly" means what - not sending emails at all, or emails landing in spams? Can you receive? Wrong or no rDNS can make your outgoing emails land in spam folder, but if it doesn't send or receive at all, then it's mostly likely due to some other problems with your ISPconfig settings or Postfix/Dovecot installations.
Probably the issue from https://mxtoolbox.com/diagnostic.aspx
SMTP Reverse DNS Resolution
Reverse DNS Resolution - No PTR Record found
Not suitable for what? Spamming? lol
I do not know any real modern project that does not use a proper SMTP provider service. I get you may want to save money on not paying for that, SMTP2go.com has a free version. Use the api integrations, and you are good to go.
When did this thread for PTR rDNS turn into squating for @CharityHost_org SMTP ? lol
We support smtp, just follow the yellow brick road dorothy.
https://charityhost.org/aup
AND we support PTR rDNS for all our IPv4 and IPv6 managed by customers from the End User panel.
Many projects here are using MXroute, a well trusted proper SMTP provider service.
You blocked all their ports unless customer gives you a $25 interest-free loan.
https://mxroutedocs.com/general/smtpimappopdetails/
I think you will need to ask the provider to setup the records on your behalf.
Never mentioned it being an interest free loan. Do you know what refundable retainer fee means?
We dont exploit, we are giving away about 48 prizes this month.
Asked them 4 days back but no reply.
sending emails but bounces back with error "550 Sender verify failed (in reply to RCPT TO
command)"
That usually means that the DNS for the domain (e.g., missing MX records) in your MAIL FROM address is not correctly set up.
i did setup the MX records correctly. I just need configure rDNS and PTR records which can be set by @HostSlick but they are not responding. look like using third party email is only option left.
There is nothing you can do except for the provider to set up a PTR record for you in the data center control panel (unless they have payment terms for it).
DKIM? SPF? PTR record?
You are connecting to the external mail server but it doesn't like something about what you are sending.
I would expect missing Reverse DNS records to result in a different error message.
Maybe this article would help? How to setup rDNS and PTR records.
Thanks for the help guys, got the reply from host and they added the record for me.
I've given up on email hosting. Too much headache and sometimes you may get blocked without any apparent reason at all. There is hardly any support mechanism to get unblocked.
Just use any of those SMTP services. Trust me, it worths every penny.
Unless that deposit is regulated by a contract and placed in a segregated client account, it does function as an interest free loan for you in regards to non abusive customers.
how long does it takes to propagate ptr records? @HostSlick confirmed they have added the ptr records for me but even after 72 hrs its still showing NXDOMAIN.
It shouldn't take (that) long. Try a
dig -t ptr +tracewith the.in-addr.arpaname for the IP address to see which nameservers it ends up using (maybe the Reverse zone is not delegated correctly)still status NXDOMAIN. Look like @HostSlick not added those record, their support is extremely slow (need to wait god knows how many days) . look like you are on your own after purchase.