[horde] How to upgrade to webmail-5.1.5 with PEAR (was Re: HGWE 5.1.5 and HGWE 5.2.0)

[Jānis]

Citēts Jānis <je at ktf.rtu.lv>
Sat, 22 Nov 2014 09:57:19 +0200:

> Hi!
>
> which modules is responsible for IMP's ability to handle S/MIME signatures?
>
> After downgrade form 5.2.x to 5.1.6 I lost ability to open such. The  
> error I get follows:
>
> PHP Fatal error:  Call to a member function isEmbedded() on a  
> non-object in /X/horde5/imp/lib/Mime/Viewer/Smime.php on line 291,  
> referer:  
> https://Y/imp/basic.php?mailbox=SU5CT1guVGVobmlrYV91Yy5Ib3JkZQ&page=mailbox

it seems that opening of the message dies on certificate verification.

currently I have in config such line:
$conf['openssl']['cafile'] = '/usr/share/ca-certificates';

this directory holds sub-dirs with certificate bundles from cacert.org  
  mozilla  spi-inc.org.

Janis

/etc/ssl/certs is empty