On 17.02.17 22:57 Bastian Sebode wrote: > Finally I found the issue! :-) But I still have no idea why the > problem happens with Thunderbird. > > I used dehydrated to fetch the certificates from Let's Encrypt and > as I said, it works for most clients pretty well. (Tried: Mulberry, > Claws Mail, Outlook 2010, Android (HTC), iPhone, ...) Also it works > perfectly with all my HTTPS-Services > > Whatever, Thunderbird didn't like that cert saying "bad > certificate" (SSL Alert 42). > > Now I fetched the cert with Certbot and it works. Really strange > though!
Have you contacted the author of dehydrated? Either this is a bug in the program, that should be fixed. Or it is an error in the programs configuration (yours or the default), and that should be fixed, too. I am just setting up a dovecot installation and was planning on using letsencrypt with dehydrated, too. ;-) Johannes
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