Hop thu email header
Here is an example of an email header in the HOP THU format:
From: [Your Name] <[your email address]>
To: [Recipient's Name] <[recipient's email address]>
Subject: [Subject Line]
Date: [Date of Email]
Time: [Time of Email]
Message-ID: <[unique message ID]>
References: <[previous message ID]>
In-Reply-To: <[previous message ID]>
X-Mailer: [Email Client or Server]
X-Priority: [Priority Level]
X-MSMail-Priority: [Priority Level]
X-Mailer: [Email Client or Server]
X-Originating-IP: [IP Address of Sender]
X-Sender: [Your Email Address]
X-Received: [Date and Time of Receipt]
Content-Type: [MIME Type]
Content-Transfer-Encoding: [Encoding Type]
Content-Disposition: [Disposition Type]
X-Hop-Count: [Number of Hops]
X-MS-TNEF-Correlator: [Correlation ID]
X-Originating-ISP: [ISP of Sender]
X-Received-SPF: [SPF Result]
X-Envelope-From: [Envelope From Address]
X-Envelope-To: [Envelope To Address]
X-Envelope-CC: [Envelope CC Addresses]
X-Envelope-BCC: [Envelope BCC Addresses]
Note that not all email clients or servers may include all of these headers, and some may include additional headers not listed here.