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I know this late, but FYI: it seems that certificates issued by Lets Encrypt are not as widely accepted as other commercial providers. For example, my trial an
by MarkMc 11y ago
I know this late, but FYI: it seems that certificates issued by Lets Encrypt are not as widely accepted as other commercial providers.
For example, my trial and error I found that the webhook api for both Mandrill and SendGrid did not recognise the Let's Enrypt certificate (although Google Chrome did recognise it). When I switched to a certificate issued by Name Cheap both Mandrill and SendGrid worked.
- pfg 11y agoMake sure you're serving the full chain to the root CA, that might be the issue. LE certs might have that issue with Java apps, since the cross-signed CA isn't currently included in the Oracle root store (they're working on that).