As we close off 2024 it is a good time to remind ourselves when Exchange 2016 and Exchange 2019 support ends. Microsoft have a date of October 14th 2025 for support ending for both Exchange 2016 and Exchange 2019. Microsoft recommend moving to the new Exchange version – Exchange Server […]
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If you are running Exchange 2019 in your environment, including as part of an Exchange Hybrid setup, then you should be running the latest Exchange 2019 CU14 update. Exchange 2019 CU14 provides a number of important updates to Exchange 2019. You can download it here. https://www.microsoft.com/en-us/download/details.aspx?id=105878 Exchange 2019 CU14 Extended […]
TLS 1.3 was introduced back in August 2018. However, Exchange 2019 and Exchange Online do not currently support it. Windows 2022 has introduced support for TLS 1.3, but Exchange 2019 does not support it, so please do not try this as likely will cause issues for Exchange 2019. You need […]
DANE support with DSSEC for Inbound SMTP Exchange Online Microsoft now support the use of SMTP DANE with DNSSEC to further secure inbound mail flow into Exchange Online. This is free for any Exchange Online licenced mailbox. Microsoft were going to only allow DANE support for E5 licenced mailboxes, but […]
DMARC is a free email authentication protection control that is used alongside SPF and DKIM. When used correctly it provides an effective security policy to help prevent malicious actors from impersonating your email addresses outside of your email system. There are increasing cyber threats against email systems, and any organization […]
Introduction – Office 365 Security Customers often migrate their email to MS Office 365 without considering the change in security landscape. Migrating to Office 365 offers the convenience of a cloud solution, but we recommend focusing on cloud security at the same time. Security aspects of MS Office 365 are […]
On a recent Google Gmail to Office 365 migration project I cam across a cool Gmail feature sometimes known as “throwaway addresses”. I enjoy finding out new things related to email – and this was a good one! In Gmail if you had the address test123.person@gmail.com then it […]
Introduction When configuring Outlook 2016 client for Office 365 be aware that you may not be able to do this through the Control Panel|Mail icon anymore. On a recent Exchange to Office 365 migration I was caught out by this “feature” change from Microsoft. On Outlook 2013 you could happily […]
Office 365 migration speed is a common topic of conversation when migrating large amounts of mail data to the cloud. When migrating to Office 365 using a 3rd Party Tool (eg: Quest MFNE, Binary Tree CMTe) the mailbox data migration throughput can be slow. This is especially common for […]
Domino to O365 Migration of Mailin Databases For a typical Domino to O365 migration, migrating mailin databases to Shared Mailboxes can present many challenges. How Sent Items are treated is a good example. In Domino if you work with a mailin database, then Sent Items are kept with […]