Email showing "Message too large"

4.5

You receive an error when trying to open or send a message with a large payload.

Symptoms
  • "Message size exceeds limit"
  • Cannot open mail
  • Bounce-back error
Possible Causes
  • Embedded images
  • Large attachments
  • Long thread history

Step-by-Step Fix

1

Remove Attachments

If sending, use a cloud link instead of a direct file.

2

Trim the Thread

Delete old "Re: Re: Re:" history from the bottom of the email.

3

Check Recipient Limit

The person you are emailing might have a smaller limit than you.

When to See a Technician

A message with 50 high-res photos embedded in the body will easily exceed the 25MB limit.

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