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Why am I seeing a "parse failed" error on forwarded "Missed spam" reports?

This error indicates that the message is being forwarded in an incompatible format. To ensure our system can correctly identify and analyze the "missed spam," it requires specific details from the original email header:

  1. Sender email address
  2. Recipient email address
  3. Message date
  4. Original subject line

If you're encountering a "parse failed" error, it usually means one of the following happened:

  • The forwarded message lacked the necessary details.
  • The forwarded message was in an uncommon format that our system didn't recognize.

Supported Formats for Forwarding

When reporting a message that slipped through as "missed spam," it's crucial to forward the email in one of the two supported formats:

1. Traditional Mail Relay

In this format, the message is relayed by a mail server with the original email headers intact. This allows our system to directly parse vital details such as the sender, recipient, date, and subject from the original message that were recorded when the original message arrived. This format is preferred as it maintains the authenticity and complete context of the email, making it easier for our systems to correlate and analyze.

2. Email Software Forwarded Format

This is a common format used by many email clients when forwarding emails manually. It often includes a truncated version of the original headers displayed within the body of the message:

Example of a common format:

------ Forwarded Message ------
From: "Global Prize Notifications" winners@prizenotify.net
To: "Johnathan Q. Public" johnathan.public@example.com
Date: 02/09/2024 2:14:45 PM
Subject: Congratulations! Confirm Your Prize Now!

Our system accepts quite a few variations on this format, so this is just an example.

General tips

To prevent "parse failed" errors and ensure your "missed spam" reports are processed efficiently:

  • Use the traditional mail relay method if possible.
  • If using the email software forwarded format, ensure all required details (sender, recipient, date, subject) are included and use a standard format.
  • Double-check that no crucial information is omitted during the forwarding process.

Some mail providers may block your message since they detect "spammy" keywords.
If that happens, remove all but the


Last updated May 8, 2024