Question 1

How do I verify a forwarded email?

Accepted Answer

Ask the mailbox owner to export the original email as a .eml file, then upload it to selfcheck.email. The DKIM signature on the original indicates whether the content is unchanged.

Question 2

What does DKIM verification establish?

Accepted Answer

A valid DKIM signature establishes that the email content has not been altered since the sender's mail server signed it. It does not establish that the content is true or that a specific person wrote it.

Question 3

Is SelfCheck free?

Accepted Answer

Yes. You can verify up to 5 emails per hour without an account. Free accounts get 5 cases per month with timestamped PDF reports.

Question 4

Does SelfCheck store my email?

Accepted Answer

No. The email file is processed in memory and deleted immediately. Only cryptographic hashes and the PDF report are retained.

Sample verification report

Reason codes

What this report does not establish

Sample verification report

Reason codes

What this report does not establish