Microsoft Exchange Online outage blocks access to mailboxes via IMAP4
Microsoft is working to fix an Exchange Online service outage that intermittently prevents users from accessing their mailboxes via the Internet Mailbox Access Protocol 4 (IMAP4). The incident (tracked under EX1215307) began on January 1st at 19:00 UTC, with Microsoft noting that other connection methods are not affected and advising those impacted that retries may help […]
Microsoft: Classic Outlook bug prevents opening encrypted emails
Microsoft is investigating a bug preventing recipients from opening encrypted emails in classic Outlook after a recent update. This known issue affects users who try to open messages encrypted with “Encrypt Only” permissions, which also allows copying, printing, and forwarding. “After updating to Current Channel Version 2511 (Build 19426.20218) recipients may not be able to […]
Microsoft cancels plans to rate limit Exchange Online bulk emails
Microsoft announced today that it has canceled plans to impose a daily limit of 2,000 external recipients on Exchange Online bulk email senders. The change was announced in April 2024, when Microsoft said that it would add new External Recipient Rate (ERR) limits starting January 2025 to fight spam, with plans to begin enforcing the limit on […]
Google will finally allow you to change your @gmail.com address
Google will finally allow you to change your @gmail address or create a new alias, according to a new support document. As spotted in a Telegram group, Google says that it’s already rolling out a feature that lets you change your email address, and it’s not just for your custom emails. Up until now, Google has allowed […]
Microsoft to block Exchange Online access for outdated mobile devices
Microsoft announced on Monday that it will soon block mobile devices running outdated email software from accessing Exchange Online services until they’re updated.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, devices running Exchange ActiveSync versions below 16.1 will no longer be able to connect to Microsoft’s cloud email service after March 1, 2026. Exchange ActiveSync (EAS) is a Microsoft Exchange […]
French Interior Ministry confirms cyberattack on email servers
The French Interior Minister confirmed on Friday that the country’s Ministry of the Interior was breached in a cyberattack that compromised e-mail servers. While the attack (detected overnight between Thursday, December 11, and Friday, December 12) allowed the threat actors to gain access to some document files, officials have yet to confirm whether data was […]
Microsoft says new Outlook can’t open some Excel attachments
Microsoft is working to resolve a known issue that prevents some users from opening Excel email attachments in the new Outlook client. According to a service alert (EX1189359) seen by GeekFeed, the bug has been impacting Exchange Online customers since at least November 23rd. Microsoft says it has already deployed a fix to address the […]
Thunderbird adds native support for Microsoft Exchange accounts
Thunderbird 145 has been released with full native support for Microsoft Exchange email via the Exchange Web Services (EWS) protocol. This means that Thunderbird users in Microsoft Exchange environments (e.g., Microsoft 365, Office 365) no longer need third-party add-ons and benefit from seamless message synchronization and folder management locally and on the server. Migrating from […]
Hackers exploit WordPress plugin Post SMTP to hijack admin accounts
Threat actors are actively exploiting a critical vulnerability in the Post SMTP plugin installed on more than 400,000 WordPress sites, to take complete control by hijacking administrator accounts. Post SMTP is a popular email delivery solution marketed as a feature-rich and more reliable replacement of the default ‘wp_mail()’ function. On October 11, WordPress security firm Wordfence received […]
Microsoft enables Exchange Online auto-archiving by default
Microsoft is enabling threshold-based auto-archiving by default in Exchange Online to prevent email flow issues caused by mailboxes filling up faster than expected. While users can also configure messaging records management (MRM) time-based archive policies that provide automatic archival every two years, for example, these policies aren’t effective when dealing with high volumes of incoming emails […]