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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.
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.
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:
(.+)@companya.com
$1@companyb.com
x-OldCompanyA
OldCompanyA
.+
{Recipient}
{ReturnPath}
Please update your records with my new email address. {Recipient}
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