--- title: "Email headers" source: https://dev.pageseeder.com/guide/configuration/emails/headers.html description: "This document explains how to configure custom email headers in PageSeeder using HTML `` and `<meta>` elements to customize subject lines, sender information, recipient addresses, and mailing list properties." last_updated: 2026-08-11T16:00:20+10:00 tokens: ~495 --- # Email headers This document explains how to configure custom properties and headers for HTML email. Custom headers are **not required,** and if none are specified in the templates, PageSeeder uses the default settings. > **Note:** Custom headers apply to HTML messages only, not text-format email. ## HTML `<title>` Change the `<title>`element in the HTML `<head>`element, to update the message subject (the “Subject” field). For example: ```xml <html> <head> <title>My custom email subject ... ``` ## HTML `` To create custom properties, modify the content of the`` element in the HTML `` element. For example: ```xml ``` ### Supported headers Following is a summary of what \<`meta>` elements can support: | Name | Description | | --- | --- | | `to-email` | Changes the destination address (the “To” field) | | `from-name` | Changes the originator name in “From” (`from-email`must be set) | | `from-email` | Changes the originator address in “From” | | `sender-name` | Changes the originator name in “Sender” (`sender-email`must be set) | | `sender-email` | Changes the originator address in “Sender” | | `replyto-name` | Changes the destination name in “Reply-To” (`replyto-email` must be set) | | `replyto-email` | Changes the destination address in “Reply-To” | | `list-name` | Changes the identification name in “List-Id” (`list-id` must be set) | | `list-id` | Changes the ID in “List-Id”, setting this adds the header “Precedence” with a value of “List”. | | `list-help` | Sets the “List-Help’ email field | | `list-unsubscribe` | Sets the “List-Unsubscribe“ email field | | `list-post` | Sets the “List-Post“ email field | | `list-archive` | Sets the “List-Archive“ email field | | `message-id` | Sets the “Message-ID“ email field | | `in-reply-to` | Sets the “In-Reply-To“ email field |