Added 2 entries.

LegitimateURLShortener.txt

@@ -1,5 +1,5 @@
 ! Title: ➗ Actually Legitimate URL Shortener Tool
-! Version: 15May2025v3
+! Version: 21May2025v1
 ! Expires: 12 hours
 ! Description: In a world dominated by bitLy, adfLy, and several thousand other malware cover-up tools, this list reduces the length of URLs in a much more legitimate and transparent manner. Essentially, it automatically removes unnecessary $/& values from the URLs, making them easier to copy from the URL bar and pasting elsewhere as links. Enjoy.
 ! Homepage: https://github.com/DandelionSprout/adfilt/discussions/163
@@ -5088,6 +5088,15 @@ buffalonews.com##+js(set, lee_trkLinkSrc, noopFunc)
 !! https://manage•kmail-lists•com/subscriptions/unsubscribe?a=(...)&c=(...)&k=(...)&m=(...)&r=(...)
 @@||manage.kmail-lists.com/subscriptions^$removeparam
 
+! Account login pages are likely also a place where you generally don't want error messages from false positive parameter removals
+! https://github.com/DandelionSprout/adfilt/issues/1051
+@@/login-redirect/*$removeparam
+@@/login?$removeparam=referrer
+
+! Post-payment processing pages are also places where you generally wouldn't want error messages from false positive parameter removals
+@@||secure.kps-payment.de^$removeparam
+@@/Netaxept.jsp?$removeparam
+
 ! Fix driver download section
 @@||canon.*/supportproduct/gettabcontent$removeparam=referrer
 
@@ -5101,11 +5110,6 @@ buffalonews.com##+js(set, lee_trkLinkSrc, noopFunc)
 ! Strangely prevents placeholders on flagpedia•net/index (24/11/2023)
 @@||flagpedia.net^$ping,xhr,removeparam=gtm
 
-! Account login pages are likely also a place where you generally don't want error messages from false positive parameter removals
-! https://github.com/DandelionSprout/adfilt/issues/1051
-@@/login-redirect/*$removeparam
-@@/login?$removeparam=referrer
-
 !#if adguard
 !#if adguard_ext_firefox
 ! https://github.com/DandelionSprout/adfilt/issues/376