in reply to Re^2: Socket SMTP email inappropriate i/o control operation
in thread Socket SMTP email inappropriate i/o control operation

Parentheses on the LHS not needed. (And around $null either.)
$here = (gethostbyname $null)[4];

($q=q:Sq=~/;[c](.)(.)/;chr(-||-|5+lengthSq)`"S|oS2"`map{chr |+ord }map{substrSq`S_+|`|}3E|-|`7**2-3:)=~y+S|`+$1,++print+eval$q,q,a,