Email - Newsletter

1 - About

A newsletter is a marketing channel that consists of a letter sends as an email to many users.

3 - Example

3.1 - Amazon

4 - Management

4.1 - Signup

4.2 - Send

4.2.1 - Domain

New domains are cheap. You don't spam from mybiz.com. You spam from mybizmail.com, mybizmarketing.com, mybizoffers.com, etc.

For instance:

  • Facebook notifications come from facebookmail.com,
  • CarMax spams from email-carmax.com.
  • AT&T uses att-mail.com.
  • And so on.

They don't all do it, but many do.

And if they burn their main domain, it's an easy option.

Example of newsletter Mail Information


from:	Thomas <[email protected]>
reply-to:	Thomas <[email protected]>
to:	Nico <[email protected]>
date:	4 Oct 2019, 09:38
subject:	Nico, ....
mailing list:	148662d91563921f62f4d682amc list <148662d91563921f62f4d682a.141977.list-id.mcsv.net> Filter messages from this mailing list
mailed-by:	mail154.sea81.mcsv.net
Signed by:	example.com
security:	 Standard encryption (TLS) Learn more

4.3 - Engagement

4.4 - Unsubscribe

Ref - Gmail - Oneclick Unsubscribe

To set up one-click unsubscribe. Include one or both of this headers


List-Unsubscribe-Post: List-Unsubscribe=One-Click
List-Unsubscribe: <https://your-company-net/unsubscribe/example>

or with a mailto scheme


List-Unsubscribe: <mailto:[email protected]?subject=unsubscribe>

If both headers are included, Gmail uses the one listed first.

When a user unsubscribes using one-click, you receive this POST request:


POST /unsubscribe/example HTTP/1.1
Host: your-company.net
Content-Type: application/x-www-form-urlencoded
Content-Length: 26
List-Unsubscribe=One-Click"


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