For nodelist import, find based on mailer_address first

app/Jobs/NodelistImport.php

@@ -295,15 +295,14 @@ class NodelistImport implements ShouldQueue
 
 			// We'll search and see if we already have that system
 			} else {
-				$so = System::where(function ($q) use ($system,$sysop) {
-					return $q->where('name',$system)
-						->where('sysop',$sysop);
-					})
-					->orWhere(function ($q) use ($address,$port) {
-						return $q->where('mailer_address',$address)
-							->where('mailer_port',$port);
-					})
-					->firstOrNew();
+				$so = System::where('mailer_address',$address)
+					->where('mailer_port',$port)
+					->single();
+
+				if (! $so)
+					$so = System::where('name',$system)
+						->where('sysop',$sysop)
+						->firstOrNew();
 
 				if ($so->exists)
 					Log::debug(sprintf('%s:Linking address [%d:%d/%d] to [%s:%s]',self::LOGKEY,$zo->zone_id,$ao->host_id,$ao->node_id,$so->id,$so->name));