Email server: security certificate for server is invalid or expired

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Nikitaidis
Posts: 44
Joined: Sun 28. Apr 2019, 13:59

Email server: security certificate for server is invalid or expired

Post by Nikitaidis »

Hello

how can fix Email ssl server error: security certificate for server is invalid or expired.

in phone or mail app show error ... Email server ( hostname show ... ) Self-signed root certificate / Expires: Wednesday, 2 May 2029 at 19:46:16 Central European Summer Time.

but if i check SSL server name show Let's Encrypt Authority X3 not Self-signed root and Valid until Sat, 03 Aug 2019 19:32:07 UTC (expires in 2 months and 26 days) .
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mail ssl
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stfn116
Posts: 306
Joined: Wed 9. Jan 2019, 11:43
Location: Bavaria

Re: Email server: security certificate for server is invalid or expired

Post by stfn116 »

you need to change this in the settings..

Go to Security > SSL/TLS Certificates > Secure Server services Button on the right... Then select the Lets Encrypt instead of the self-signed Cert!

Have fun !
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:D Wer meint, Kompetenz sei teuer, möge es einmal mit Inkompetenz versuchen. Zitat: Bernd W. Klöckner. :lol:
Nikitaidis
Posts: 44
Joined: Sun 28. Apr 2019, 13:59

Re: Email server: security certificate for server is invalid or expired

Post by Nikitaidis »

stfn116 wrote: Wed 8. May 2019, 19:38 you need to change this in the settings..

Go to Security > SSL/TLS Certificates > Secure Server services Button on the right... Then select the Lets Encrypt instead of the self-signed Cert!

Have fun !
i try it and still same problem ... :!:
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Martin
Posts: 984
Joined: Wed 20. Jan 2016, 00:43

Re: Email server: security certificate for server is invalid or expired

Post by Martin »

Hello,

the server hostname already resolves to your server? This is mandatory for receiving a Let's Encrypt Certificate for server hostname.
Viele Grüße,
Martin
Nikitaidis
Posts: 44
Joined: Sun 28. Apr 2019, 13:59

Re: Email server: security certificate for server is invalid or expired

Post by Nikitaidis »

Martin wrote: Wed 8. May 2019, 21:48 Hello,

the server hostname already resolves to your server? This is mandatory for receiving a Let's Encrypt Certificate for server hostname.

i have already :
√ set hostname via ssh: hostnamectl set-hostname
√ Configuration / Hostname /
√ A record for subdomain hostname
√ yes hostname already resolves to ip server
√ from https://www.ssllabs.com/ i see ssl Overall Rating ( A )
Valid from Sun, 05 May 2019 19:32:07 UTC
Valid until Sat, 03 Aug 2019 19:32:07 UTC (expires in 2 months and 25 days)
Key RSA 4096 bits (e 65537)
Weak key (Debian) No
Issuer Let's Encrypt Authority X3
AIA: http://cert.int-x3.letsencrypt.org/
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Alexander
Keyweb AG
Posts: 3810
Joined: Wed 20. Jan 2016, 02:23

Re: Email server: security certificate for server is invalid or expired

Post by Alexander »

Make sure, your mail client is using vps.bluecrystaleshop.com as mx server, not mail.vps.bluecrystaleshop.com or others.

(E.g. a test via https://www.checktls.com/TestReceiver seems correct.)
Mit freundlichen Grüßen / Best regards
Alexander Mahr

**************************************************************
Keyweb AG - Die Hosting Marke
Neuwerkstr. 45/46, 99084 Erfurt / Germany
http://www.keyweb.de - http://www.keyhelp.de
**************************************************************
Nikitaidis
Posts: 44
Joined: Sun 28. Apr 2019, 13:59

Re: Email server: security certificate for server is invalid or expired

Post by Nikitaidis »

Alexander wrote: Thu 9. May 2019, 07:19 Make sure, your mail client is using vps.bluecrystaleshop.com as mx server, not mail.vps.bluecrystaleshop.com or others.

(E.g. a test via https://www.checktls.com/TestReceiver seems correct.)
thank you for your answer..
you mean :
@ 86400 MX vps.bluecrystaleshop.com
?
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MLan
Posts: 466
Joined: Wed 20. Sep 2017, 23:05
Location: @home

Re: Email server: security certificate for server is invalid or expired

Post by MLan »

@ MX 10 11.bluecrystaleshop.com.
cenix102
Posts: 8
Joined: Tue 3. Sep 2019, 19:47

Re: Email server: security certificate for server is invalid or expired

Post by cenix102 »

Hello together

I have the same problem. I checked already the SSL/TLS Certificate config. Still the same problem.

Do you have a solution for this problem?

Thanks a lot for your help!
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