“Mail from” and “From” header

In simple terms MAIL FROM – Mr.Blue used XYZ post office to send a mail envelope to Mr.Red, and if Mr.Red’s post office cant locate Mr. Red then the envelope can be sent back to XYZ Post office to be returned to Mr.BlueFROM – This message is FROM Mr.Blue to Mr. Red (Receiver). Now the technical […]

Types of E-Mail Abuse where the Sender Address is Forged

Spammers  – As they want to avoid receiving non-delivery notifications (bounces) to their real addresses. Fraudsters  – As they want to cover their tracks and remain anonymous. Computer worms – Worms want to cause confusion or just don’t care about which sender addresses they use. Phishers (password fishers) want to impersonate well-known, trusted identities in order […]

What is SPF? Why use SPF & What are its limitations?

Sender Policy Framework(SPF) is a technological framework that helps to protect email senders and receivers against spam, spoofing, and phishing. In particular, it defines a way to validate the sending of an email message from an authorized mail server to detect forgery and prevent spam. SPF Record: An SPF record is included in the DNS […]

What is DKIM? All you need to know about DKIM

Domain Keys Identified Mail (DKIM) is a technological norm that helps deter spam, spoofing, and phishing from email senders and recipients. This is a type of email authentication that allows an individual to assert accountability for a message in a manner that the receiver may validate. DKIM uses a “public-key cryptography” approach to verify that […]

DMARC Alignment – All You Need To Know

DMARC attempts to check that the address in the header ‘From’ is the real message origin or not. DKIM and SPF do not include the From header and Username. Alignment ensures that when using a relaxed configuration, all domains will align perfectly. Difference between Header from Domain and Mail from Domain Header from Domain Mail […]

What is DMARC? How is DMARC Deployment done?

DMARC (Domain-based Message Authentication, Reporting, and Conformance) is a type of email protocol that uses SPF (Sender Policy Framework) and DKIM (Domain Keys Identified Emails). It controls the situation when email fails authentication tests. It is published on the side of the domain. It needs some preliminary work before you implement DMARC, including, of course, […]

Firm Sues Cyber Insurer Over $480K Loss

A Texas manufacturing firm is suing its cyber insurance provider for refusing to cover a $480,000 loss following an email scam that impersonated the firm’s chief executive.At issue is a cyber insurance policy issued to Houston-based Ameriforge Group Inc. (doing business as “AFGlobal Corp.“) by Federal Insurance Co., a division of insurance giantChubb Group. AFGlobal maintains […]

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