After domain transfer I can't get POP3 email

What is the name of the domain?

What is the error number?

unknown

What is the error message?

none

What is the issue you’re encountering

Email goes to my webmail but POP3 email is not getting messages

What steps have you taken to resolve the issue?

I have sent email to my email address at my domain from another email address but it is not coming through to my POP3 email on Thunderbird. I pinged the mail.matrixkey.com and see that the IP address is now associated with Cloudflare. My website hosting and email server is still on another hosting service currently. Oddly as I am writing this it seems the email I sent has finally come through. When I send it normally it only takes seconds to get from my other email server to matrixkey.com’s email server but it took around 10 minutes. So the problem seems to essentially be solved however I wonder now if it takes that long normally when going through Cloudflare?

I can now get email at matrixkey.com but I can’t send email with Thunderbird as I get the “Sending message failed. The message could not be sent because the connection to Outgoing server (SMTP) mail.matrixkey.com timed out. Try again.” This was never a problem until the domain transfer so something is wrong. I can get email but not send it.

Hello, could you please let me know where your email is hosted and what the SMTP server details are?

Thanks for the reply. This problem also seems to have resolved after waiting a few minutes and sending the email again. This time it went right through quickly. I’m guessing the MX records in DNS just had not fully updated on some servers. So it seems all good now and going through fast.

Usually, the SMTP server is not associated with your domain. For example, when using Gmail, it’s smtp.gmail.com.

mail.matrixkey.com should be a DNS-only record pointing to your web hosting IP.

This is my assumption since I don’t have any details about your email provider.

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Well I spoke to soon. Still having problems with SMTP server timeouts. I’m using SSL/TLS on port 465. Never had this problem before. I’m wondering if I need to change some DNS settings. I just now saw another article here about Cloudflare not proxying POP3 etc. Checking in on that now.

I just saw your reply after writing the one above. My MX for mail.matrixkey.com here does say it is DNS-only record but I don’t see the option for it to point to my hosting IP other than an ‘A’ record for matrixkey.com that says mail has my host IP and that one says proxied.

I think you should have this 2 records:

Type Name Content
MX matrixkey.com mail.matrixkey.com
A mail IP address of your webhosting
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The A record is not being proxied

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Thanks again for sticking with this. I just turned of the proxying for the A mail record with the host IP address. It seemed to work again for sending email. Although I do see a warning now from Cloudflare that it exposes my IP for that. I don’t think that is much of a problem for my usage. I’ll need to keep checking a few more emails as it has been somewhat on and off up to this point but hopefully turning of the proxy for the A - mail record takes care of it. Cheers

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‘turning of’ should read ‘turning off’ - my typo

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When you proxy a record on Cloudflare, it hides the original destination IP, which is great for keeping your server’s IP private. However, since you’re pointing to a mail provider’s IP, you’ll need to turn off the proxy.

Also, be sure to add DMARC, DKIM, and SPF records to improve your email security and deliverability.
Your mail provider should have instructions for setting these up. To check if everything is configured correctly, you can use mail-tester.com.

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Sent a bunch more email from various addresses I have at matrixkey and all went out quickly now and got responses back fast also. Thanks so much for your help! I’ll work on the other records you mentioned and am saving the mail-test.com to test. They need a thumbsup emoji here :wink:

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