Microsoft will remove the -Credential parameter from Exchange Online PowerShell by June 2026, forcing admins to adopt MFA.

For Exchange Online, Microsoft has already deactivated the insecure and vulnerable login using Basic Authentication for various protocols. However, the company has not touched SMTP AUTH. This is set ...

ExoAliasManagement provides a set of functions to find, add, and remove email aliases from Exchange Online mailboxes. The module uses interactive authentication for Exchange Online connections and ...

Microsoft has backed away from its plan to introduce a limit of 2,000 emails per day in Exchange Online. The change, announced in 2024 and set to go into effect last year, was aimed at reducing the ...

Microsoft indefinitely cancels Exchange Online mailbox external recipient rate limit, removing fixed daily caps. Static recipient limits conflicted with automated notifications and ...

Microsoft announced on Monday that it will soon block mobile devices running outdated email software from accessing Exchange Online services until they're updated. As the Exchange Team explained, ...

Microsoft Exchange is a wildly popular threat target, with dangers exacerbated by the tech giant's end support for Exchange 2016 and 2019 last month. Now those email servers won't receive necessary, ...

Legacy authentication refers to older ways of logging in, such as POP3, IMAP, and old versions of Exchange ActiveSync. These methods are similar to a friend who still uses a flip phone; they can ...

More than 29,000 Microsoft Exchange servers exposed to the internet have remained unpatched against a high-severity vulnerability that could allow attackers to seize control of entire domains in ...

Microsoft recently acknowledged a vulnerability affecting its email and calendar service Exchange that could allow an attacker to gain significant control over particular organizations' email servers ...

Microsoft this week announced it will be bringing its Extended Security Update (ESU) program for on-premises Exchange Server 2016 and 2019, offering organizations critical protection as they approach ...