SOLVED: TLS Negotiation failed, the certificate doesn't match the host., code: 0

Questions and discussion about web design, search engine optimisation and hosting
Randolph McAfee

Unread post by Randolph McAfee » 2020-4-20 20:24

Brilliant!


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lookingouttosee

Unread post by lookingouttosee » 2020-4-21 09:27

I just got it working. The URL of my cPanel was not working, however, I clicked on webmail on my cPanel and copied that URL (mail.antagonist.nl) omitting the https etc and it worked!!!! Finally. This is our entire company email with 7 of using Gmail in this way so it's such a big deal we are back up and running. Thank you so much!
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Guest

Unread post by Guest » 2020-4-21 11:11

Thank you for the great help. You saved my life
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Chuy Ibarra

Unread post by Chuy Ibarra » 2020-4-21 23:04

Muchas gracias! Thank you very much! I solved it!
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Guest

Unread post by Guest » 2020-4-22 06:25

Guest wrote: ↑
2020-4-12 06:17
 Same principle worked with a Crazy Domain url. Thanks for the pointer!
Thank you for your comment, I tried with Crazy Domain too and it seems to work! :)
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Guest

Unread post by Guest » 2020-4-22 12:13

Solved! Thanks! Really helpful!
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happy shopper

Unread post by happy shopper » 2020-4-26 11:28

I've been looking a solution for weeks. As soon as I saw yours, I had an 'aha moment' as I remember always using that server name in the past. Thank you :-)
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EwanRobb

Unread post by EwanRobb » 2020-4-28 16:36

Nothing working for me :cry:
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Santeri
Posts: 323
Joined: 2017-7-5 09:58

Unread post by Santeri » 2020-4-28 16:57

EwanRobb wrote: ↑
2020-4-28 16:36
 Nothing working for me :cry:
Oh, damn. What is your domain name?

What hosting company are you using?

What are your current Gmail settings?
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EwanRobb

Unread post by EwanRobb » 2020-4-28 17:31

DadsonFire.club. On GoDaddy, has worked fine for years and stopped today! Godaddy don't have a clue about it.

mail.dadsonfire.club
Port 587 TLS
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Santeri
Posts: 323
Joined: 2017-7-5 09:58

Unread post by Santeri » 2020-4-28 18:09

EwanRobb wrote: ↑
2020-4-28 17:31
 DadsonFire.club. On GoDaddy, has worked fine for years and stopped today! Godaddy don't have a clue about it.

mail.dadsonfire.club
Port 587 TLS
OK, you are hosted on GoDaddy. Did you follow my instructions and logged into cPanel? That way you can find the host name that will work on gmail. Also, you gmail setting are no longer functional. You need to use
SMTP server: check host name from your cPanel
Port: 465
SSL
The problem is in gmail. They changed the way they check SSL certificates, And GoDaddy does not have a functional SSL certificate for the reverse DNS names of their shared hosting servers. You reverse DNS host name is ip-160-153-129-24.ip.secureserver.net and it does not have a valid SSL certificate. Here is the full explanation.
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EwanRobb

Unread post by EwanRobb » 2020-4-28 18:19

Yes, i did all that too mate. Followed the instructions excitedly with no joy.
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Santeri
Posts: 323
Joined: 2017-7-5 09:58

Unread post by Santeri » 2020-4-28 18:20

EwanRobb wrote: ↑
2020-4-28 18:19
 Yes, i did all that too mate. Followed the instructions excitedly with no joy.
Hmm, strange. What host name are you seeing in your cPanel, the web address in your web browser? What is the whole URL?
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EwanRobb

Unread post by EwanRobb » 2020-4-28 18:32

https://n3plcpnl0046.prod.ams3.securese ... 4814928359

I should've said, when i followed your steps i get - Authentication failed. Please check your username/password.
Server returned error: "535 Incorrect authentication data , code: 535"
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Santeri
Posts: 323
Joined: 2017-7-5 09:58

Unread post by Santeri » 2020-4-28 18:44

EwanRobb wrote: ↑
2020-4-28 18:32
 https://n3plcpnl0046.prod.ams3.securese ... 4814928359

I should've said, when i followed your steps i get - Authentication failed. Please check your username/password.
Server returned error: "535 Incorrect authentication data , code: 535"
Try these:
  • SMTP server: n3plcpnl0046.prod.ams3.secureserver.net
  • Login: Your email address, for example contact@webseodesigners.com
  • Password: Use the email account’s password, the same you use when you check your email using GoDaddy webmail.
  • Port: 465
  • Select Secured connection using SSL
If that will not work, please make sure you are using cPanel email, not workspace or office 365 etc.
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EwanRobb

Unread post by EwanRobb » 2020-4-28 19:08

535 error again. It's nly cpanel i use.
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Santeri
Posts: 323
Joined: 2017-7-5 09:58

Unread post by Santeri » 2020-4-28 19:37

EwanRobb wrote: ↑
2020-4-28 19:08
 535 error again. It's nly cpanel i use.
Then the problem has to be in your cPanel settings, login or password, if the SMTP server name is the one I gave you.
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EwanRobb

Unread post by EwanRobb » 2020-4-28 20:39

ok, nailed it!

I had to use the cpanel login credentials and not the actual email address ewan@dadsonfire.club

Thanks very much for all the help, much appreciated
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RIACSA

Unread post by RIACSA » 2020-5-3 03:27

thanks brother excellent work, errs un alma generosa.
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DigitalD

Unread post by DigitalD » 2020-5-4 18:31

Good effort. Works a treat
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