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 […]
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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 […]
Proper use of the SPF and DKIM email authentication controls allows you to also enforce the DMARC control to significantly increase your email security posture. Adopting the desired DMARC reject mode allows you to help prevent external parties from sending spoof emails from your email domain to anyone else on […]
Introduction | GroupWise is Alive GroupWise to Office 365 migration project requests are still coming into my inbox. This is a surprise, as GroupWise keeps on dying each year. But then these requests keep on coming. GroupWise is dead, long live GroupWise…. maybe not, but you get the idea. See […]
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 […]
Outlook Password Prompt Issue | Scenario Have you migrated to Office 365, and Outlook 2016 keeps asking for password and credentials? Are the repeated Outlook password prompts driving you insane? Is your confidence in Office 365 being eroded by the random attack of the Outlook password prompt? I recently completed […]
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 […]
Microsoft is due to release news on Exchange 2019 during this year, and we are likely to see the product late 2018. Exchange 2019 is the latest release of Microsoft’s on-premise mail platform. It will be part of the Microsoft Office 2019 set of products. Migration to Exchange 2019 If […]