diff --git a/functions.inc.php b/functions.inc.php
index d3cd8920..0b70bf9c 100644
--- a/functions.inc.php
+++ b/functions.inc.php
@@ -1128,7 +1128,7 @@ function pacrypt ($pw, $pw_db="")
     }
 
     if ($CONF['encrypt'] == 'system') {
-    	  if (ereg ("\$1\$", $pw_db)) {
+        if (ereg ("\$1\$", $pw_db)) {
             $split_salt = preg_split ('/\$/', $pw_db);
             $salt = $split_salt[2];
         }
@@ -1162,25 +1162,25 @@ function pacrypt ($pw, $pw_db="")
     }
     
     if ($CONF['encrypt'] == 'authlib') {
-    	$flavor = $CONF['authlib_default_flavor'];
-    	$salt = substr(create_salt(), 0, 2);
-    	if(ereg('^{.*}', $pw_db)) {
-    		// we have a flavor in the db -> use it instead of default flavor
-    		$result = split('{|}', $pw_db, 3);
-    		$flavor = $result[1];  
-    		$salt = substr($result[2], 0, 2);  		
-    	}
-    	    	
-      	if(stripos($flavor, 'md5raw') === 0) {
-         	$password = '{' . $flavor . '}' . md5($pw);
-      	} else if(stripos($flavor, 'md5') === 0) {
-      		$password = '{' . $flavor . '}' . base64_encode(md5($pw, TRUE));
-      	} else if(stripos($flavor, 'crypt') === 0) {
-      		$password = '{' . $flavor . '}' . crypt($pw, $salt);
-      	} else {
-      		die("authlib_default_flavor '" . $flavor . "' unknown. Valid flavors are 'md5raw', 'md5' and 'crypt'");
-      	}
-   	}
+        $flavor = $CONF['authlib_default_flavor'];
+        $salt = substr(create_salt(), 0, 2); # courier-authlib supports only two-character salts
+        if(ereg('^{.*}', $pw_db)) {
+            // we have a flavor in the db -> use it instead of default flavor
+            $result = split('{|}', $pw_db, 3);
+            $flavor = $result[1];  
+            $salt = substr($result[2], 0, 2);
+        }
+ 
+        if(stripos($flavor, 'md5raw') === 0) {
+            $password = '{' . $flavor . '}' . md5($pw);
+        } elseif(stripos($flavor, 'md5') === 0) {
+            $password = '{' . $flavor . '}' . base64_encode(md5($pw, TRUE));
+        } elseif(stripos($flavor, 'crypt') === 0) {
+            $password = '{' . $flavor . '}' . crypt($pw, $salt);
+        } else {
+            die("authlib_default_flavor '" . $flavor . "' unknown. Valid flavors are 'md5raw', 'md5' and 'crypt'");
+        }
+    }
     
     
     $password = escape_string ($password);
@@ -2296,4 +2296,4 @@ $table_mailbox = table_by_key ('mailbox');
 $table_vacation = table_by_key ('vacation');
 $table_vacation_notification = table_by_key('vacation_notification');
 $table_quota = table_by_key ('quota');
-/* vim: set expandtab softtabstop=3 tabstop=3 shiftwidth=3: */
+/* vim: set expandtab softtabstop=4 tabstop=4 shiftwidth=4: */