An IDN is not accepted for Destination Email in Email Forward add form.
Summary
An IDN is not accepted for Destination Email in Email Forward add form. Punycode must be used. the displayed error is: The destination contains at least one invalid email address
Steps to reproduce
- add an IDN (i.e. cuvée.com) as destination email in email forward form - produces error
Correct behaviour
it should be allowed as it is everywhere else on IspConfig3 latest, patched.
Environment
Server OS + version: Debian 10 and Debain 11 ISPConfig version: 3.2.8p1
Software version of the related software: Apache 2.4.53 7.4.30
Edited by Till Brehm