Article ID: 129787, created on Nov 2, 2016, last review on Nov 2, 2016

  • Applies to:
  • Plesk Automation 11.5

Symptoms

Customer can't login into Roundcube webmail for email address created on IDN domain with hyphen '-'. For example первый-домен.рф. Following error appears:

Invalid server name

Cause

FILTER_VALIDATE_EMAIL fails with valid addresses containing "--" twice. Additional information available on PHP.net Portal.

The behavior is caused by software issue PPA-3440.

Resolution

As a workaround you can switch webmail client to Horde under CCP > Mail > Mail Settings.

Search Words

unable to login to Roundcube webmail

invalid server name

33a70544d00d562bbc5b17762c4ed2b3 caea8340e2d186a540518d08602aa065 e0aff7830fa22f92062ee4db78133079

Email subscription for changes to this article
Save as PDF