[Users] "SSL/TLS certificate is expired"

[Adrian]

Colin replied (manually pasted as I don't seem to get replies by mail!

> Hi, 

>> I have a server certificate authenticated by LetsEncrypt which
>> auto-renews every three months.
>> 
>> It did this at the beginning of the month and the new expiry date is
>> July 2nd.  The private key is is copied to my mailserver's config
>> directory and is readable by it.
>> 
>> But Claws Mail is complaining that the certificate has expired.

>When the certificate is renewed, the service(s) using it have to be
> reloaded or restarted. My renew crontab is like this:

> 0 23 * * * /usr/bin/certbot renew && /usr/sbin/nginx -s reload

> (as it is nginx using that cert)

> HTH,
> -- 
> Colin

Thanks Colin,

Yes, that was the problem!  Restarting my mailserver fixed the problem,
and I've added the restart command to my renewal hooks.

Adrian