unable to forward emails in hotmail/outlook?

weekend warrior 0 Reputation points
2026-08-17T05:11:04.5333333+00:00

unable to forward emails in hotmail/outlook?they keep returning back as unable to send message?

Outlook | Web | Outlook.com | Email
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  1. AI answer

    2026-08-17T05:11:20.7933333+00:00

    If forwarded emails in Outlook.com/Hotmail come back with unable to send, check these common causes in order:

    1. Check attachment size Outlook.com cannot send a message if an attachment is larger than 25 MB.
    2. Try forwarding without the signature A signature can sometimes prevent sending. Remove the signature from the message and send again.
    3. Verify the recipient address If a non-delivery report was received, delete the recipient from the To field, remove the saved Auto-Complete entry, retype the full address manually, and send again.
    4. Check whether the original message has a problematic attachment Forwarded messages normally include the original attachments. If the original email contains an attachment that is causing the failure, remove that attachment before sending.
    5. If the failure mentions delivery failed or blocked
      • If it says can’t connect to remote server or connection timed out, wait a short time and resend.
      • If it mentions blocked, spamcop, dynablock, blackhole, or spamhaus, the recipient’s mail server is blocking the message. The recipient’s email provider must unblock the account or domain.
    6. If using Outlook on Windows 7 or Windows Server 2008 R2 Forwarding can fail with Cannot send this item when the message contains a TIFF image with an ICC profile.
    7. Check account state if all mail sending is failing Sending and receiving can fail if cloud storage is full, if the password was recently changed and not updated, or if the account was temporarily blocked because of unusual sign-in activity.

    If the issue continues, use Outlook.com support from the Help menu and then Still need help?


    AI-generated content may be incorrect. Read our transparency notes for more information.

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