It is related with TLS version. Carbonio correctly disabled TLS 1.0 and 1.1 and many old e-mail clients stopped working. Just to be clear, this is t...

I know this is not the best answer and it also doesn't have a "solution" per se, but it works on my deployments. And all I can think about is: 1 -...

@rwebb616 run this to get the setup you have now: zmprov gs `zmhostname` zimbraReverseProxyMailMode and this to fix it zmprov ms `zmhostname` ...

@rwebb616 Yes it does and it works great... just today I did it twice.. so I'm pretty impressed you're having issues.... maybe some FW blocking it?

@rwebb616 You must setup your proxy to redirect as I explain in my tutorial Let’s Encrypt on Carbonio – Easy as never before

@antonio take your time ofc and wish you fast recovery

@antonio There is no documentation about this certificates thing. I taight myself over the years and when I had to teach my students about Zimbra. R...

Hello @antonio, So... the thing about certificates is that Carbonio uses two layers of certificates. The 1st layer is generated and installed when C...

@polcritolinux hello there Use this set of tools I did for that Zimbra to Carbonio – Z2C Telegram:/p>

@jppo you may do it from scratch following the installation guide above... no matter what... follow the Single-Server Installation guide step by step....

@jppo you skipped important parts of installation process. What about carbonio-bootstrap and service-discover setup-wizard ? do as @mgarbo suggested...

@antonio that's an amazing idea that already crossed my mind a couple of times. I'll call it "carbfixperms" =)

Run it manually in --dry-run mode... it's faster ans easier to follow the errors: /opt/zextras/libexec/certbot certonly --agree-tos --email zextras@...

And.... found the issue: when I set it up to PB-BR URL is generated as "&lang=PT_BR"... underline instead of minus... when I change it to &lan...

Complementing my message above. If you remove the "&lang=PT_BR" at the end of the document URL it works. So something need to be fixed on the co...