Google Message Security for Google Apps Administration Guide - Manual (Page 388)

388 Message Security for Google Apps Administration Guide
3. After the Subject of the e-mail, leave a blank line and then include the
following HTML text:
4. After the body content of the HTML notification insert:
5. The message should look something like this:
Content-Type: text/html
Date: <-date->
From: "<-isp-> Support" <<-from->>
To: <-notice_address->
Subject: <-isp-> First Junk Email Safely Quarantined
...
The first line, Content-Type:text/html , is the HTML MIME Type header. This
is what tells the mail client to expect HTML content in the e-mail. Most content
transferred across the Internet has a MIME type. If a MIME type is not set,
then plain text is assumed.
The From, To , and Subject headers are important as they control how the
message is sent. If these headers are omitted then the message will not be
sent properly.
The and tags are containers for the HTML content. These tags
should not be placed before the subject field because that is part of the mail
message's headers. Header content should not contain any HTML code since
it is straight text data used only for analysis of email.
Between the and tags, use any HTML code that email clients
can interpret. For example, you can use tags to display an image
which lives on your web server.
6. Save and upload the file as a custom notification. See “Editing User
Notifications Text” on page 383 for instructions.
Default Notifications with Tokens
Here is full text for the default notifications including token definitions.
Welcome New User Notification
Users receive a welcome message when they are added to the system. If the user
is added manually, this notification arrives within 24 hours; however, if the user is
created automatically (“Autocreated”), then the notification is generated
immediately when the account is created.