550
messages sent to email [email protected] not delivered
contact host server and was redirect to cloudflare as nameserver
Nameservers have nothing to do with mails. You need to clarify this with your mail provider.
One thing that you need to fix on Cloudflare is your MX entries. You have one for Amazon and one for your own mail server. You probably only want to have one and need to drop the other. If that is your own, make sure the respective entry is not proxied but 
.
I know that I have amazon AWS for secure of digital download pdfs but I need a step by step in the cloudflare platform to do
Update the MX record to
host > thecriticalthinkingchild.com
value > mail.thecriticalthinkingchild.com
and the A record to
If you don’t use Amazon for your mails, you should drop said entry as mentioned and make sure it only uses your mail entry, however you still need to unproxy that and discuss the authentication message with your mail provider. Cloudflare is not involved here.
Where do I goin cloudflare to view /update the MX entry?
As fate would have it, I was reading the forums at this very moment and came across your conversation. Reading this, I went to my Godaddy email server and in cpanel-email-email routing I changed the configuration to Local Mail Exchanger and that’s it, everything worked again, of course, they leave the Cloudflare mail in DNS only, many thanks to both of you, greetings.
On the DNS page on Cloudflare.
MX enter deleted for amazon - MX entry updated with cloudflare mail in DNS Only and Host Type: MX
Host Name: @
Value: mail.domain name
Have I completed the unproxy or is there more to do in cloudflare?
You dropped the Amazon entry, but mail is still proxied.
How do I unproxy - need help on this step. Is it CNAME “pop” “smtp” and “www” need to be DNS only? Just taking a guess need help to resolve. thanks
As mentioned
Also pop and smtp.
changed - can you take a look. There is also A type that is proxy.
Right, the entry is still proxied.
As long as the entry is _dc, it is proxied → DNS Checker - DNS Check Propagation Tool
Hi this is getting beyond my technical ability who can help me with this. I don’t want jeopardize the security features I purchased with cloudflare. Is there a consultant on your team that can help me conclude this issue. There are 4 ore type A pointing to proxy but not sure if those also need to be changed as the name is “books”. "ftp and not the domain name
what does this mean _dc , what does d and c mean
Just follow the steps mentioned and make sure the entry is not proxied.
Got It… take a look Thank you
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