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Emails stay in the Outbox
Self-check
Quick tests that run right here in your browser — nothing is uploaded. If you still need help, copy the results into your ticket.
What your browser knows about your network right now — instant, no data used.
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Step 1: Check your Outbox for any stuck messages and clear them if needed.
Step 2: Verify the recipient's email address is typed correctly.
Step 3: Confirm the attachment size is within your organization's limits.
Step 4: Check whether your mailbox is full or your account is blocked.
Step 5: Try sending a simple message without attachments.