Seitenvergleich

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• Sender address consists of a static and a variable part, e.g. newsletter-ABC1235XYZ@mydomain.com.

• You can define the pattern in the UM configuration as newsletter-%@mydomain.com

• Your mail server must be able to put all received Emails matching that pattern into the same mailbox. Whether this is possible or not depends on the mail server software used.

  • Usually works: Exim/courier, postfix/dovecot

  • Usually doesn’t work: Exchange, Lotus Domino/Notes

    • Workaround: Catch-All rule for subdomain

• The Universal Messenger will create a unique pattern as the variable part for every single Email it sends out and keeps a record to remember which address was used for which Email.

SERP (Static Envelope Return Path)

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All bounce messages will be sent to the technical sender address (see above).

Reads and evaluate bounce messages

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If the UM cannot find a type or a matching Email address it will forward the Email to postmaster address defined in the global UM configuration.Details: https://www.universal-messenger.de/knowledge-base/intern/doc-en/Developer/Bounce_management.html