Обсуждение на форуме тут: http://www.forum.nobat.ru/index.php?topic=6187.0
Что нового в 4.2.13.4 по сравнению с 4.2.13.3:
[ - ] Fixed a caption ("Mozilla´s Thunderbird" to "Mozilla Thunderbird") in the mailbox import wizard;
[ - ] Updated default PGP public key;
[ + ] Sorting Office: possibility to define alternative paths for the "Extract attachments" action;
[ + ] In an address book, when you import and address entry from an X.509 certificate, now the entry is created with the certificate within;
[ - ] When using S/MIME internal implementation, you can now import certificates included in a signature, but included to an encrypted message as well;
[ * ] "Capture addresses" action in the sorting office is renamed to "Add to address book";
[ - ] The "Find Certificates" feature didn´t work with uppercase email addresses.