On 26/06/2015 21:41, Walter H. wrote: > Hello, > > has anybody got a reliable source or knowledge about which > mail clients - especially which Thunderbird release - should be > capable of verifying such mails correctly? > I believe GlobalSign has a knowledge base article listing this as far as they know. It is at < https://support.globalsign.com/customer/portal/articles/1499561-sha-256-compatibility> Enjoy Jakob -- Jakob Bohm, CIO, Partner, WiseMo A/S. http://www.wisemo.com Transformervej 29, 2860 S?borg, Denmark. Direct +45 31 13 16 10 This public discussion message is non-binding and may contain errors. WiseMo - Remote Service Management for PCs, Phones and Embedded -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://mta.openssl.org/pipermail/openssl-users/attachments/20150629/c1b065e7/attachment.html>