Apsea email header

ApeSea is a popular email header analysis tool that helps you analyze and understand the headers of an email message. Here's a breakdown of the different components of an ApeSea email header:

1. From: The sender's email address.

2. To: The recipient's email address.

3. Subject: The subject line of the email.

4. Date: The date and time the email was sent.

5. Message-ID: A unique identifier assigned to the email message.

6. In-Reply-To: The message ID of the original message this email is a reply to.

7. References: A list of message IDs of related messages.

8. MIME-Version: The version of the Multipurpose Internet Mail Extensions (MIME) standard used to format the email.

9. Content-Type: The type of content in the email, such as text/plain or text/html.

10. Content-Transfer-Encoding: The encoding used to transfer the email content, such as base64 or quoted-printable.

11. X-Mailer: The email client or server that sent the email.

12. X-Priority: The priority level of the email, such as high, normal, or low.

13. X-Sender: The sender's email address, often used by email servers to identify the sender.

14. Authentication-Results: Information about the authentication status of the email, such as SPF (Sender Policy Framework) or DKIM (DomainKeys Identified Mail) results.

15. Received: A list of email servers that received and forwarded the email, along with the date and time of each receipt.

16. Return-Path: The email address that should be used to send bounce notifications or other error messages.

17. Reply-To: The email address that should be used to reply to the email.

18. Sender: The email address that was used to send the email.

19. Resent-From: The email address that was used to resend the email.

20. Resent-To: The email address that was used to resend the email.

These are the main components of an ApeSea email header. By analyzing these headers, you can gain insights into the email's origin, routing, and delivery, as well as identify potential issues or security threats.