What causes SpamAssassin error “Use of uninitialized value in concatenation (.) or string” in cPanel/WHM servers
As an outsourced technical support provider for Shared Web Hosting Companies, we often encounter application errors and system faults. In the past couple of months, an error that’s often reported by cPanel/WHM users is:
Aug 17 00:25:24.450  warn: Use of uninitialized value in concatenation (.) or string at /usr/local/cpanel/3rdparty/perl/522/lib64/perl5/cpanel_lib/Mail/SpamAssassin/PerMsgStatus.pm line 3082.