MAPIEmail Troubleshooting
Explainers
Technology & Apps
Why Is My Sent Gmail Delayed?
A sent Gmail message can be delayed because the sending connection is slow, the message was sent through a third-party mail client, or the receiving side has not delivered it yet.
Technology & Apps
Why Does Gmail Block Some Attachments?
Gmail blocks some file types for security. Google specifically says Gmail does not allow executable attachments such as files ending in .exe.
Technology & Apps
Why Won’t Gmail Attachments Upload?
Gmail attachment uploads can fail because of browser compatibility, a browser proxy, blocked attachment-hosting access, or a Drive upload problem such as low storage or a slow connection.
Technology & Apps
Why Does Gmail Say “You Have Reached a Limit for Sending Mail”?
Gmail can show this message when a personal account exceeds Google's sending limits, such as more than 500 recipients in one email or more than 500 emails in a day.