Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

Yesterday I could open mail.biz.rr.com but today I cannot open it. What do I do?

  • 6 replies
  • 25 have this problem
  • 33 views
  • Last reply by LisaKordich

more options

Today I get an error that says secure connection failed. It appears to be a TLS Error but I do not know how to fix it. This is for a customer computer that I recommended Firefox to. It was working great until today. I have tried it on two different computers with Firefox installed in two different locations. The page works fine from Internet Explorer (bleck) and Google Chrome (bleck again) Please tell me what I need to do to fix it. The computers in question are running Windows XP on one and Windows 8.1 on the other.

Today I get an error that says secure connection failed. It appears to be a TLS Error but I do not know how to fix it. This is for a customer computer that I recommended Firefox to. It was working great until today. I have tried it on two different computers with Firefox installed in two different locations. The page works fine from Internet Explorer (bleck) and Google Chrome (bleck again) Please tell me what I need to do to fix it. The computers in question are running Windows XP on one and Windows 8.1 on the other.

Chosen solution

The value of the pref only needs to be the domain name and not include other data (pref name and =):

  • mail.biz.rr.com

You should only see the domain in the value column.

Read this answer in context 👍 3

All Replies (6)

more options

This is the page it takes me to.

more options

This server uses a deprecated cipher suite that is no longer considered secure.

You can see that in the Web Console (Firefox/Tools > Web Developer)

This site makes use of a SHA-1 Certificate; it's recommended you use certificates with signature algorithms that use hash functions stronger than SHA-1.[Learn More]

You can open the about:config page via the location/address bar and use its search bar to locate this pref:

  • security.tls.insecure_fallback_hosts

You can double-click the line to modify the pref and add the domain to this pref. If there are already websites in this list then add a comma and the new the domain (no spaces).

You can open the about:config page via the location/address bar. You can accept the warning and click "I'll be careful" to continue.

more options

Thank you cor-el for your response. I have done this and still cannot get to that webmail. I am posting a photo so you can see I did it right or tell me if I did it wrong. I did put a space between hosts and = and mail.biz.rr.com Please continue to help me if you can. This is a business customer of mine and I have migrated her away from IE for other reasons and don't want to take her backwards.

more options

Chosen Solution

The value of the pref only needs to be the domain name and not include other data (pref name and =):

  • mail.biz.rr.com

You should only see the domain in the value column.

Modified by cor-el

more options

Perfect. Thank you so much for helping me to resolve this matter.

more options

LisaKordich said

Today I get an error that says secure connection failed. It appears to be a TLS Error but I do not know how to fix it. This is for a customer computer that I recommended Firefox to. It was working great until today. I have tried it on two different computers with Firefox installed in two different locations. The page works fine from Internet Explorer (bleck) and Google Chrome (bleck again) Please tell me what I need to do to fix it. The computers in question are running Windows XP on one and Windows 8.1 on the other.

Never mind I found the answer in my user account. Thank you again for before and now.