# SSL Certificate problem

**URL:** <https://forums.rockylinux.org/t/ssl-certificate-problem/15974>\
**Category:** Social & Community\
**Created:** [September 26, 2024, 2:45pm UTC](https://forums.rockylinux.org/t/ssl-certificate-problem/15974 "2024-09-26T14:45:19Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Mikheil](https://sea2.discourse-cdn.com/flex020/user_avatar/forums.rockylinux.org/mikheil/32/2054_2.png) [@Mikheil](https://forums.rockylinux.org/u/Mikheil)\
**Post date:** [September 26, 2024, 2:45pm UTC](https://forums.rockylinux.org/t/ssl-certificate-problem/15974/1 "2024-09-26T14:45:19Z")

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My hosting provider, HostUpon upgraded my account to a new server. They also installed a Let’s Encrypt Certificate. I HAD Let’s encrypt Certs on my sub-domain, [corp.networkingtechnology.org](http://corp.networkingtechnology.org), but we had a problem with port 443 and it still isn’t solved. So I closed down all the sites. Including my working mail server Postfix/Dovecot.

Since the upgrade all my sites on [corp.networkingtechnology.org](http://corp.networkingtechnology.org) have https, but the mail server has stopped working.

In mail.cf, there’s a path to the Let’s Encrypt local certificate that I installed. How can I get this to use the certificate on the host of networkingtechchnology server in Canada?

[hermes.corp.networkingtechnology.org](http://hermes.corp.networkingtechnology.org) is working apart from the SSL certificate.

Can anyone help?

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**Author:** ![system](https://us1.discourse-cdn.com/flex020/uploads/rockylinux/original/1X/91b7219eec10e30013422e4df76c1d898711a5d5.svg) [@system](https://forums.rockylinux.org/u/system)\
**Post date:** [November 25, 2024, 2:45pm UTC](https://forums.rockylinux.org/t/ssl-certificate-problem/15974/2 "2024-11-25T14:45:49Z")

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