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Old 5 Apr 2018, 06:38 PM   #1
jagomai
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Join Date: Mar 2008
Posts: 79
Question Invalid SSL cert / Insecure Connection

Hi, I get this when I try to log into FastMail via browser: https://imageshack.com/a/img922/9176/omhgyh.jpg

Is it just me, or do other people get cert expiry issues?

Thanks,
J
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Old 6 Apr 2018, 06:26 AM   #2
placebo
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Works fine here. Might be just your setup.
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Old 6 Apr 2018, 07:10 AM   #3
BritTim
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Note that the message says the issuer certificate has expired (not FastMail's certificate). That suggests security information in Firefox is out of date.
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Old 6 Apr 2018, 08:43 AM   #4
Terry
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Clear your cashe and cookies
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Old 6 Apr 2018, 07:58 PM   #5
jagomai
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Strange, doesn't help... Works on my phone just fine. Must be either the laptop or the work network I'm on.
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Old 6 Apr 2018, 07:59 PM   #6
jagomai
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Works just fine using Thunderbird though on the work laptop, not sure what the difference is in terms of SSL certs.
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Old 7 Apr 2018, 12:21 AM   #7
BritTim
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If you cannot easily figure out the problem with Firefox, I would suggest completely uninstalling Firefox (including deleting the Firefox folders) and doing a fresh install. I suspect something is broken such that some required updates have not been correctly applied.
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Old 7 Apr 2018, 01:52 PM   #8
n5bb
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After a little research, my suggestions are:
  • Check that the PC clock is set accurately to the correct date and time.
  • Scan your PC for malware. Infections and registry corruption can cause this type of error.
  • Be sure you are using the latest version of Firefox and update if needed.
Bill
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Old 20 Apr 2018, 06:59 AM   #9
cyberpear
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If you have a corporate web proxy that pops up a confirmation page before letting you out, that could be the issue. (We have that here, so I open a new window to fastmail.fm which doesn't have HTST enabled, then I can click thru the corporate proxy splash page which then allows all webmail domains for 30 minutes.)
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