On Wed, 23 May 2018 12:15:42 +0100 Erich Rast <erich at snafu.de> wrote: > Is there a way to save those certificates so claws-mail doesn't ask > every time I check mail? Have a look at your account preferences, 'SSL/TLS' page, there is an option to 'Automatically accept valid SSL/TLS certificates'. with regards Paul