[horde] mail is not activated

[Brent]

  Quoting Ferdinand Gruber <fer.grub at yahoo.de>:

> Hi,
>
> I was able to upgrade horde using the simple command
>
> composer upgrade
>
> But after the upgrade login is no longer possible. I get the message
>
> mail is not activated ... on line 1550 of  
> "/srv/www/htdocs/horde/vendor/horde/core/lib/Horde/Registry.php"
>
> The authentcation should be done via the application imp. The config  
> file /srv/www/htdocs/horde/web/horde/config/conf.php looks normal -  
> nothing was changed by the upgrade process.
>
> In former horde there was a file imp/config/backends.local.php where  
> the backend was configured. Is this file still necessary in the  
> current version of Horde? It does not exist in my horde installation  
> in /srv/www/htdocs/horde/vendor/horde/imp/config
>
> Please help.
>
> --
>
> Regards from Austria
> Ferdinand Gruber
>  

The latest dev version with composer will overwrite your files in your  
imp/config directory to defaults. You need to set those back up again.  
That includes backends.local.php and mime_drivers.local.php.