#rejection_reason = Your message to <%t> was automatically rejected:%n%r
# Delimiter character between local-part and detail in email address.
-#recipient_delimiter = +
+recipient_delimiter = {{ postfix.recipient_delimiter | default("+") }}
# Header where the original recipient address (SMTP's RCPT TO: address) is taken
# from if not available elsewhere. With dovecot-lda -a parameter overrides this.