Nom de l’auteur/autrice :Elian

I’m an IT specialist with a focus on email security. I’ve spent years helping people keep their inboxes safe and their data private. I started Mail Fortifier to share what I’ve learned in plain language, so anyone can protect themselves from email threats. When I’m not writing or working, you’ll find me enjoying a good cup of coffee or exploring new tech tools

A simplified flowchart-style illustration showing how SPF works behind the scenes.

SPF Advanced

Deep Dive: How SPF Works Behind the Scenes

Elian / 19 mai 2025

Understand the real mechanics of SPF, advanced syntax, and how to troubleshoot the toughest issues. Written for IT professionals and […]

An email envelope bounces off a digital barrier

Email Technical Basics

What Is an Email Bounce?

Elian / 19 mai 2025

When you send an email and it doesn’t reach its recipient, you might get a message saying your email “bounced.”

A small business storefront with a glowing "Open" sign, surrounded by digital threats: shadowy bots crawling over the building, and ghostly hands forging emails from the business's mailbox.

Why

Why Small Businesses Must Stop Ignoring Bots and Email Spoofing

Elian / 19 mai 2025

Many owners think that a small local website won’t attract attackers. In truth, bots scan every registered domain for weaknesses,

A simple, calm diagram shows the flow of an email from sender to recipient. On the left, a "Sender" icon (envelope) sends an email to an "Email Server" (cloud icon). The server performs an SPF check by querying the "DNS Server" (globe icon) for the sender domain's SPF record. If the sending server's IP matches the SPF record, the email is delivered to the "Recipient" (person icon). If not, the email is marked as spam or rejected. Red X icons highlight common failure points: missing SPF record, sender IP not authorized, or DNS lookup failure. Muted blues and grays are used throughout for a calm, clear look.

SPF Troubleshooting

Troubleshooting: SPF Not Passing – Quick Fix

Elian / 16 mai 2025

Get your emails delivered again. A calm, practical guide to fixing SPF failures-fast. What Is SPF and Why Does It

Email Technical Basics

Understanding Email Headers

Elian / 16 mai 2025

Email headers are the technical backbone of every message you send or receive. They carry the details that help mail

A simple lock icon placed over an email envelope, representing secure and trusted email communication.

Email Authentication Basics

Why SPF, DKIM, and DMARC Matter for Your Email

Elian / 16 mai 2025

Why SPF, DKIM, and DMARC Matter for Your Email Email Authentication Basics What Are SPF, DKIM, and DMARC? Email is

A flat, modern illustration showing an envelope with a shield in front, green checkmarks, and a DNS record icon in the background. The color scheme uses blue and green tones, representing email security for a tech blog.

Email Authentication Basics

Qu’est-ce que l’authentification des e-mails ? Un guide simple

Elian / 16 mai 2025

What Is Email Authentication? A Simple Guide Email authentication is the set of checks that prove your message really came

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