Tiny code improvement in Sisimai::Lhost::IMailServer

sisimai · May 16, 2023 · 001fd1d · 001fd1d
1 parent 2c9fa80
commit 001fd1d
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/lib/Sisimai/Lhost/IMailServer.pm b/lib/Sisimai/Lhost/IMailServer.pm
@@ -47,15 +47,16 @@ sub inquire {
         # Original message follows.
         $v = $dscontents->[-1];
 
-        if( index($e, ': ') > 8 && Sisimai::String->aligned(\$e, [': ', '@']) ) {
+        my $p0 = index($e, ': ');
+        if( $p0 > 8 && Sisimai::String->aligned(\$e, [': ', '@']) ) {
             # Unknown user: kijitora@example.com
             if( $v->{'recipient'} ) {
                 # There are multiple recipient addresses in the message body.
                 push @$dscontents, __PACKAGE__->DELIVERYSTATUS;
                 $v = $dscontents->[-1];
             }
             $v->{'diagnosis'} = $e;
-            $v->{'recipient'} = Sisimai::Address->s3s4(substr($e, rindex($e, ': ') + 2));
+            $v->{'recipient'} = Sisimai::Address->s3s4(substr($e, $p0 + 2));
             $recipients++;
 
         } elsif( index($e, 'undeliverable ') == 0 ) {