Quit # We end the smtp communication with recipient mailserver 221 2.0.0 ByeĬonnection closed by foreign host. įrom: "Fake Sender" # Fake email header sender To: "Real Recipient Name" # email header recipient (what you see in your email client) Subject: test fake sender message # email header subject This is test meassage # After one empty line email header end and start email body. Use stamps, a postage meter, or a PC Postage. Place labels for extra services above the delivery address and to the right of the return address, or to. Rcpt to: # Real recipient in mail routing 250 2.1.5 Okĭata # Here end email envelope and start email header 354 End data with. Print or type your address in the upper left corner on the front of the envelope. Mail from: # Fake envelope sender 250 2.1.0 Ok The envelope sender is the MAIL FROM address, and the envelope recipients are the RCPT TO addresses.Įhlo # Here start email envelope The envelope headers are the MAIL FROM and RCPT TO parts of the SMTP conversation. If the envelope says the message is to and then the message is sent to both, regardless of what the letter inside (the message header) says the message is To. The envelope To/From is the most important information when delivering a message. Brown which work in SomeCompanyName.Įmail envelope with email header and body Or in real world: The envelope could say the message is to SomeCompanyName, and when secretary open envelope, letter inside say, it's is for Mr. The Envelope could say the message is to Bob, but the letter inside may say it's for Alice. The letting inside could have completely different To/From information than the envelope says. ![]() The post office workers have no knowledge of the letter inside the envelope. If the address also has a directional (for instance, NW for Northwest), be sure to use it. When an envelope comes into a post office, they inspect the To address on the envelope, and send it to the correct destination. Recipient Name Name of Organization Street Address Use a Post Office box or street address, but not both. The envelope to/from information is the real information that is used for message delivery, for both email servers and post offices. There is an envelope, with To/From information, and there is the actual letter on the inside, with it's own To/From information. To address or label an envelope, first write the return address on the front top left corner by including your name, your street address, and your city, state. To understand what the SPF and DKIM is, it is necessary to know the difference between email envelope and email header.Īn email message is very similar to a physical letter that you would send in the mail.
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