Postfix sends duplicate email to aliases

Solution Verified - Updated -


  • An email message sent addressed to an alias that contains a user and to the user individually, is delivered as two identical emails to the user mailbox
  • We expect duplicates to be suppressed.


  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 8
  • Postfix
  • Dovecot

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.

Current Customers and Partners

Log in for full access

Log In