We manage several Microsoft 365 environments, and over the past month users across different tenants have randomly reported that Outlook displays an "Access Denied" badge instead of their…
Users are intermittently receiving a "no permission" error when trying to send new messages as shared mailboxes. The issue affects at least two shared mailboxes and started recently,…
I use Outlook on my phone for my college email, but I'm having trouble sending messages from my MacBook. The account is connected through the Mail app using…
Some customers sending mail from external domains to recipients hosted on Outlook or Microsoft 365 are seeing messages disappear. The messages do not arrive in the inbox or…
I use Outlook on my phone for my college email, but Outlook is not working properly on my MacBook, so I added the account to the built-in Mail…
I'm troubleshooting two Microsoft 365 users who are receiving frequent "Synchronization Log" messages in the Deleted Items folder while using Classic Outlook. The issue began around the same…
For the past couple of weeks, deleted messages in Gmail have been returning to my inbox a few hours later. This happens with marketing emails from stores as…
This morning, exclamation marks appeared next to all of my Exchange accounts in Apple Mail on my Mac. The accounts still work normally in Mail on iOS, Outlook,…
This morning, all of my Exchange accounts in Apple Mail on macOS began showing exclamation marks and stopped syncing. The accounts still work normally in Mail on iPhone,…
We have an older Windows Server 2012 machine running the IIS 6 SMTP service as an internal relay for devices that send mail through our Exchange Online tenant.…
Our company uses a shared legacy bellsouth.net mailbox through AT&T/Yahoo, accessed by several computers and a phone. I was asked to archive more than 50,000 messages into year-based…
Several users, including me, are seeing a strange issue with voicemail emails in classic Outlook. The message shows a paperclip, but the MP3 attachment itself is missing from…
I'm building skills for an entry-level IT support role and have been practicing networking, ticketing systems, Microsoft 365 administration, and Active Directory. For my lab, I created a…
I'm building my skills for a future Tier 1 or Tier 2 IT support role and have been practicing networking, ticketing systems, Microsoft 365 administration, Active Directory, and…
I'm investigating a strange Microsoft 365 mail incident. At 12:00, the user received a reply saying, "Thanks for the email—are you sure it's correct?" The reply was to…
I'm troubleshooting an issue where a user is not receiving messages from multiple AOL and Yahoo senders. I have access to the organization's Microsoft 365 tenant, and test…
We run a hybrid on-premises and Microsoft Entra ID/Exchange environment with many distribution lists nested inside larger lists, eventually leading to an All Staff-style top-level list. Occasionally, someone…
Recently, I've encountered a strange issue with Outlook (M365) where new emails that appear to be recent are actually old messages from several days to a week ago.…
Hey everyone, I'm having an issue with my email program where it keeps using outdated address information, specifically with some IMCEAEX entries. I've followed all the troubleshooting steps…
I recently had a user who retired and became a shared mailbox to save on licenses. After some time, he came back from retirement, and I reactivated his…