AMAmir m. Ghaneminamirghanem.hashnode.dev·Jan 1, 2023 · 2 min readAWS S3 Presigned URL Upload Tutorial in PythonWhat are the signed URL? Pre-signed URLs are useful if you want your user/customer to be able to upload a specific object to your bucket, but you don't require them to have AWS security credentials or permissions. When you create a pre-signed URL, yo...00
AMAmir m. Ghaneminamirghanem.hashnode.dev·Dec 28, 2022 · 2 min readWhat is SPF and how does it works?SPF - Sender Policy Framework SPF focuses on the "Domain" found in an email header that has many names, Return-Path,Mail-From, Bounce Address, Envelope from. in this article we will refer to it as the Return-Path, if this header is missing , SPF fall...00
AMAmir m. Ghaneminamirghanem.hashnode.dev·Dec 28, 2022 · 2 min readWhat is DNS and how does it Works?What is DNS? Domain Name System DNS is the phonebook of the internet, human access information online through names. Web browsers access websites through website names, but how does it do it? Each device connected to the internet has a unique IP addr...01A
