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I’m on Linux UBUNTU. My SSL certificate has expired and was not automatically renewed. By tinkering with the machine I managed to make part of the web, webmail, work. But when trying to send emails using smtp, tls, I get a certificate error.
EnglishSSL certificate expired, not renewed.
Reverse proxy in place?
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DocFraggle Yes, apparently yes. DNS configuration also normal. The certificate just expired suddenly.
Check the docs if you configured it correctly
Overview - mailcow: dockerized documentation docs.mailcow.email
If the ACME container was able to renew the certificate you gave to copy it to your reverse proxy. Or get rid of the reverse proxy.
DocFraggle Yes, it is configured correctly. In fact, everything was working normally, until the certificate expired. I’m using cloudflare to redirect DNS records.
Where did you create your first certificate after setting up Cloudflare? If you do this with Cloudflare, you have to copy it to your mailcow. If you do this with your mailcow, you have to copy it to Cloudflare
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DocFraggle the certificate was created using Let’s Encrypt, on the machine itself. The first time I didn’t do this configuration. How do I pass it to cloudflare?
DocFraggle To make it clear, everything was working, it always has been. This simply stopped because the certificates expired.
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Ok, let me guess: 3 months ago you set up your mailcow without Cloudflare. The certificate was issued without problems because Cloudflare was not interfering with your ACME container.
Then you set up Cloudflare following some kind of tutorial, and now, 3 months later, the certificate expired because the renewal process of the ACME container isn’t working anymore because of Cloudflare.
Is this what happened?
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