SPF, SOPF – what does it mean? (March 2013) By sven|2021-08-12T13:38:02+02:001. March 2013|Comments Off on SPF, SOPF – what does it mean? (March 2013) Teilen Sie diesen Artikel! FacebookTwitterRedditLinkedInWhatsAppTumblrPinterestVkXingEmail About the Author: sven