+
+ 'peer_terminated_conn' => # actual error differs FreedBSD vs. Linux
+ { 'stderr' => 's/^( SMTP\()Connection reset by peer(\)<<)$/$1closed$2/' },
+
+ 'perl_variants' => # result of hash-in-scalar-context changed from bucket-fill to keycount
+ { 'stdout' => 's%^> X/X$%> X%' },