Microsoft Exchange and Active Directory Blog
In January of this year, I reported on free S/MIME certificates from WISeID. Unfortunately, I have since discovered that newly requested certificates from this CA are no longer considered trustworthy. I noticed this when I requested a new 1-year certificate from WISeID. The CA still issues the certificates, but ... Read more
I have already reported several times about the possibility of obtaining free S/MIME certificates for signing and encrypting emails. There are now only a few providers that still offer free certificates. Some of the providers mentioned in the previous articles either do not issue certificates at all or only issue certificates with a 90-day validity period. All 90 ... Read more
In my last article about a free S/MIME certificate for signing and encrypting emails, I made a stupid mistake. In the last article, I recommended the CA DGNCert, which offers free S/MIME certificates, but the CA itself is not stored as a "Trusted Root Certification Authority" in Windows. So as long as the root certificate is not manually ... Read more
Update 25.02.2019: There is a new article here, as this article is no longer valid. Update 29.01.2019: See note/update at the end of the article. DGNcert is not stored as a trusted certification authority in Windows as I claimed. Therefore, please read the update at the end of the article first and then the comments. So far, Comodo has been a reliable ... Read more
Sophos recently released an update for UTM 9.5. With this update, the email protection algorithms have also been adapted with regard to the signing of emails using S/MIME: S/MIME Encryption updates: This release brings changes to the S/MIME feature to fully conform with new GDPR regulatory requirements for encryption. Core to these changes are new algorithms ... Read more
