Microsoft Exchange and Active Directory Blog
The following problem has been around for a very long time: users should use standardized signatures for emails, preferably across all devices and clients. Until now, this has required additional software to create and manage signatures. Exchange Server itself only offers the option of centrally managing signatures for OWA. For Outlook and ... Read more
I have now received several emails with questions about the Exchange backend certificate, so here is a short article about it. In most cases, the backend certificate was deleted during cleanup. The following article deals with the function and necessity of the backend certificate and also how to restore it if it has been accidentally deleted. What ... Read more
In my private environment with a Sophos UTM 9.508-10, I have always had the problem that the recipient verification of Email Protection via Active Directory did not work. In the live log of Email Protection, the following warning was always displayed: Warning: ACL "warn" statement skipped: condition test deferred: failed to bind the LDAP connection ... Read more
Just for your information: In one month the Mainstream Support for Exchange 2013 will end. The Extended Support will then run until 11.04.2023: Source: Microsoft product lifecycle With the start of Extended Support, there will essentially be no more new features for Exchange 2013. Extended Support will only include security updates and bug fixes. Read more
I can now announce that the current version of the Certificate Assistant for Let's Encrypüt now also supports Exchange 2010 and Server 2008 R2. I have updated the download again and there are now 3 versions of the script included: So the following operating systems are now supported: Windows Server 2008 R2 Windows Server 2012 R2 Windows ... 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
Last Monday I published a revised version of the Exchange Certificate Assistant. The last version previously only supported Exchange 2016 on Windows Server 2016. The current version now also supports Windows Server 2012 R2 and Exchange 2013. Also new is the possibility to send the notification mails with authentication on the SMTP server. In addition, ... Read more
Today Sophos released an update for the UTM 9. The update updates the UTM to version 9.508-10. The update is just under 170 MB in size and is intended to fix these problems: [NUTM-8739]: [Access & Identity] Argos segfault and coredump after update to v9.502 [NUTM-9164]: [Access & Identity] SSLVPN installation packages fail to copy user profile during ... Read more
I have started to revise the "Exchange Certificate Assistant". The previous version is no longer compatible with the current ACMESharp module and therefore requires an old version of the module. However, since some relevant parts of the ACMESharp module have changed in the meantime, it is time for a new version of the "Exchange Certificate Assistant". I have updated the "Certificate ... Read more
I have now received a number of inquiries asking how several companies can share an Active Directory. The last inquiry was about a company that had bought out another company. The companies should now share the infrastructure. In the standard setting of an Active Directory, however, all users ... Read more
