spf specificationhttps://evotec.xyz/fr/tags/spf-specificationEvotec Main WebsiteDoes GFI Mail Essentials 20.1 support full SPF specificationhttps://evotec.xyz/fr/blog/gfi-mail-essentials-spf-supportSender Policy Framework (SPF) is a simple email-validation system designed to detect email spoofing by providing a mechanism to allow…Sun, 17 Jul 2016 15:23:53 GMThttps://evotec.xyz/fr/blog/gfi-mail-essentials-spf-supportExchangeexchange 2010exchange 2013exchange 2016gfigfi mail essentials 20spfspf rfcspf specificationspf support