Email Spam and DMARC
All technical security is a compromise between functionality and protection.
Modern email security protocols have evolved over the last 25ish years because of the threat of fraudsters, spammers, phishers, spoofers and hackers.
These attacks seek to misrepresent or mislead you (or your staff, customers and business partners) into doing things you may not otherwise want to do, mainly through leveraging the trust in your organisation and brand.
There are 3 main types of email security features t...