This article applies to:

• Trustwave MailMarshal (SEG)

Question:

• How do I notify senders of my new company e-mail address standard?
• How do I notify senders when my company's domain name has changed?

Procedure:

If you want a general response regarding your domain name change, you can use the Old Domain Name Responder Rule that is available by default in MailMarshal. 

If you would like to send out a notification that contains the full e-mail address of the intended recipient, then we suggest creating the rules outlined below:

Ruleset: New Email Address Response

Standard Rule: Header Rewrite Envelope Recipient & Stamp as OldCompanyA
When a message arrives
Where addressed to '*@companyA.com'
Rewrite message headers using 'Rewrite the Envelope Recipient' and 'Header Rewrite OldCompanyA'
And pass message to the next rule for processing.

 

Standard Rule: Header Match Send Correct Address Rule
When a message arrives
Where the message is addressed to or from any user
Where message contains one or more headers 'Header Match Send Correct Address'
Send a 'Correct New Address Response Email Template' notification message
And pass message to the next rule for processing.

Below are some guidelines for the suggested rules above:

• The Rewrite the Envelope Recipient Header Rewrite should have the following for the matching options:
  • Select the fields to match against:
    • Envelope Recipient
  • Field Parsing method:
    • Email Addresses
  • Field search Expression:
    • (.+)@companya.com
  • Substitute into field using expression:
    • $1@companyb.com
• The Header Rewrite OldCompanyA Header Rewrite should have the following options:
  • Select the fields to match against:
    • Create a new custom field using a name of your choice.
      • Example: x-OldCompanyA
  • Field parsing method:
    • Entire Line
  • Matching Options Dialogue:
    • Choose 'Insert if missing' option and enter a value of your choice.  Example: OldCompanyA
• The Header Match Send Correct Address Header Matching should have the following options:
  • Select the fields to match against:
    • x-OldCompanyA or the field name you specfied previously.
  • Field parsing:
    • Entire line
  • Field Search Expression:
    • .+
• The Correct New Address Response Email Template e-mail template should have the following fields populated:
  • Return Path:
    • {Recipient}
  • From:
    • {Recipient}
  • To:
    • {ReturnPath}
  • Message Body: (Can be customized as necessary).
    • Please update your records with my new email address. {Recipient}

This article was previously published as:

NETIQKB38379