How Can We Help?
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Getting Started
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Sending Faxes
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Receiving Faxes
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Email-to-Fax
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Fax-to-Email
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Fax Numbers
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Team & Shared Inbox
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Security & Compliance
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Billing & Subscriptions
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Account Management
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Storage & Document Management
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Delivery Status & Reports
If your Email-to-Fax transmission fails, the error is often caused by an issue with the email or attached documents.
Common Errors
Invalid Fax Number
Verify that the destination fax number is correct and includes any required country or area code.
Unsupported File Type
One or more attachments may not be supported.
Attachment Too Large
The combined attachment size exceeds your account’s limits.
Corrupted Attachment
A damaged or incomplete file may prevent processing.
Unauthorized Sender
Your email address may not be authorized to use Email-to-Fax, depending on your account configuration.
Transmission Failed
The recipient’s fax machine may have been busy, unavailable, or unable to accept the transmission.
What to Do
Review the error message, correct the issue, and resend the fax.
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