Email Spoofing and Security
An electronic mail is the most common communication mode on the internet today. Around 70 percent of the transactions, marketing and alerts system consume emails as the medium. Emails can be easily spoofed if authentication protocols are not implemented and can impact your domain's reputation. The deliverability of your emails is an important criterion in-order to increase the traffic inflow to your websites and hence affect the conversion. When an email is sent, the receiving mail-server authenticates an email first. We will talk about the three email authentication protocols: 1. SPF- Sender Policy Framework 2. DKIM- DomainKeys Identified Mail 3. DMARC- Domain-based Message Authentication, Reporting, and Conformance Before we begin with, we will discuss various types of DNS records published on the DNS servers of a domain: 1. A record - It specifies what IP address to point to when a user clicks on a link or enters the URL in the browser. It provi