---
title: "DMARC and anti-spam aren’t the same! | AutoSPF"
description: "With around 3.4 billion spam emails sent daily, securing inboxes has become more challenging than ever."
image: "https://autospf.com/og/blog/dmarc-and-anti-spam-arent-the-same.png"
canonical: "https://autospf.com/blog/dmarc-and-anti-spam-arent-the-same/"
---

Quick Answer

With around 3.4 billion spam emails sent daily, securing inboxes has become more challenging than ever. They not only clutter your inboxes and keep the servers busy, but also pose as major security threats to any organization. These seemingly harmless spam emails can lead to malware scams, phishing attacks, or even CEO fraud.

DMARC and anti-spam aren’t the same!

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![anti-spam](https://media.mailhop.org/autospf/images/2025/05/spf-record-syntax-5566.jpg) 

With around [3.4 billion](https://aag-it.com/the-latest-phishing-statistics/) spam emails sent daily, securing inboxes has become more challenging than ever. They not only clutter your inboxes and keep the servers busy, but also pose as major security threats to any organization. These seemingly harmless spam emails can lead to [malware scams](https://www.scworld.com/news/cthulhu-stealer-malware-scams-macos-users-and-its-own-affiliates), phishing attacks, or even [CEO fraud](https://www.trendmicro.com/vinfo/mx/security/news/cyber-attacks/unusual-ceo-fraud-via-deepfake-audio-steals-us-243-000-from-u-k-company). It is therefore essential to invest in email security, including anti-spam solutions and DMARC (Domain-based Message Authentication, Reporting, and Conformance). 

_DMARC ([RFC 7489](https://datatracker.ietf.org/doc/html/rfc7489)) ties SPF and DKIM together by requiring alignment between the envelope sender and the visible `From` header. According to Google’s February 2024 bulk sender requirements, a DMARC policy of at least `p=none` is now mandatory for any domain sending 5,000+ messages per day to Gmail users._

For a complete overview, see our [comprehensive DMARC guide](/blog/what-is-dmarc-email-authentication-guide/).

Although both of these email security protocols serve the same purpose - securing your email ecosystem - their approach to safeguarding your inbox is entirely different. But the non-technical stakeholders often use these terms interchangeably, leading to confusion.

This blog aims to explore the differences between DMARC and anti-spam solutions.

## What are anti-spam solutions, and how do they safeguard your emails?

In simple words, anti-spam is a reactive [email filtering](https://www.darktrace.com/cyber-ai-glossary/email-filtering) tool. It keeps all those unwanted and spammy emails at arm’s length by using different algorithms to identify spam emails. With the help of an anti-spam solution, your email system can effectively differentiate between spam and genuine emails.

![email filtering
](https://media.mailhop.org/autospf/images/2025/05/spf-record-example-0566.jpg)

_The primary job of an anti-spam tool is to evaluate the email content, double-check the sender, and keep an eye out for any pattern that suggests that the incoming email is a malicious one_. Additionally, there are certain features that enable an anti-spam tool to block spam emails altogether.

It leverages high-end threat detection systems and advanced spam detection engines to secure your inbox from unsolicited, harmful emails, thereby making it way easier to manage and safeguard your [email communications](https://www.tidio.com/blog/email-communication/).

Anti-spam solutions employ multiple filters to analyze every email before it reaches your inbox. Here’s how!

![spam email.
](https://media.mailhop.org/autospf/images/2025/05/spf-record-example-1566.jpg)

### Content filter

The anti-spam tool scans the content to determine whether it is a [spam email](https://www.newsweek.com/elon-musk-doge-spam-threat-workers-2035702).

### Header filter

This filter enables the solution to check if the header contains any kind of misleading details. 

### Blacklist filter

Generally, anti-spam solutions maintain a list of [blocked spammers](https://www.bleepingcomputer.com/news/google/google-now-blocks-spoofed-emails-for-better-phishing-protection/). It runs every email through this filter and blocks an email if it is coming from the blocklisted spammer. 

![anti-spam tool scan](https://media.mailhop.org/autospf/images/2025/05/spf-lookup-6071.jpg) 

### Rule-based filter

As the name suggests, this filter allows the user to set instructions for the anti-spam solution. _For example, it will either block all emails from a particular sender or stop emails that contain particular words_. 

### Permission filter

This filter makes the [anti-spam tool](https://cyberpedia.reasonlabs.com/EN/anti-spam%20tool.html) allow only those emails to enter your inbox that have been pre-approved by the recipient.

### Challenge response filter

This filter requires the sender to have a specific code. They can send an email only if they share the code and obtain permission for it.

With the help of an anti-spam solution, you can safeguard your emails against risks like:

- Phishing attempts
- Unsolicited marketing emails
- Bulk [email campaigns](https://www.activecampaign.com/glossary/email-campaign)
- Common [malware attachments](https://www.malwarebytes.com/blog/news/2025/04/qr-codes-sent-in-attachments-are-the-new-favorite-for-phishers)
- Suspicious URLs

![malware attachments
](https://media.mailhop.org/autospf/images/2025/05/spf-record-example-5566.jpg)

## What is DMARC, and how does it protect your emails from threat attacks?

DMARC is the most powerful [email authentication](/blog/role-relevance-of-dns-spf-records-for-email-authentication/) protocol, which secures your email’s domain from potential threat attacks such as [phishing and spoofing](https://thehackernews.com/2024/07/proofpoint-email-routing-flaw-exploited.html) scams. It ties together [SPF](/blog/what-is-spf-email-a-guide-to-sender-validation-technology/) (Sender Policy Framework) and [DKIM](/10-reasons-for-regular-spf-record-checks-in-cybersecurity/dkim-record-check/) (DomainKeys Identified Mail) to make sure that only authorized emails are being sent by your domain. While [SPF checks](/spf-record-tester/mimecast-spf-check/) if the email is sent by an authorized server, DKIM makes sure that the email hasn’t been tampered with during transit. 

[DMARC](https://dmarcreport.com/what-is-dmarc/) enables the domain owner to instruct the recipient server on what to do when an unauthorized email is trying to enter the inbox. _You can apply either none, quarantine, or reject policy, based on which the suspicious email will either be allowed to go to their inbox, get flagged as spam, or simply rejected_.

![email security](https://media.mailhop.org/autospf/images/2025/05/spf-lookup-6047.jpg) 

Also, DMARC offers detailed reports that keep you updated about how recipient servers are treating your emails. The reports provide insights that help you understand if anyone is misusing your domain, whether your ongoing [email security](/) systems are functioning properly, and if any significant changes are needed. These details help you take significant measures to protect your email system from spam emails.

## Final Thoughts

_Based on what we know so far about anti-spam solutions and DMARC, the former secures your email ecosystem by keeping a check on the incoming emails_. Meanwhile, the latter closely monitors outgoing emails to protect your [domain’s reputation](https://hginsights.com/glossary/domain-reputation). It will be safe to say that your email network cannot be secure enough if you leave out any one. The best move will be to deploy both - an anti-spam solution and DMARC - to protect your emails in today’s threat landscape.

## Topics

[ DKIM ](/tags/dkim/)[ DMARC ](/tags/dmarc/)[ email security ](/tags/email-security/)[ SPF ](/tags/spf/) 

![Brad Slavin](https://media.mailhop.org/autospf/images/authors/brad-slavin.jpg) 

[ Brad Slavin ](/authors/brad-slavin/) 

General Manager

Founder and General Manager of DuoCircle. Product strategy and commercial lead for AutoSPF's 2,000+ customer base.

[LinkedIn Profile →](https://www.linkedin.com/in/bradslavin) 

## Ready to get started?

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[ Book a Demo ](/book-a-demo/) 

## Related Articles

[  Intermediate 5m  The 12.4 billion shield for your email communications: Why DMARC software is the unsung hero in the war against phishing actors!  Nov 19, 2025 ](/blog/12-4-billion-dmarc-software-shield-protecting-email-from-phishing-actors/)[  Intermediate 3m  3 points to consider before setting your SPF record to -all (HardFail)  May 22, 2025 ](/blog/3-points-to-consider-before-setting-your-spf-record-hardfail/)[  Intermediate 6m  550 From address violates UsernameCaseMapped Policy: Why does this happen, and how to fix it?  Feb 20, 2026 ](/blog/550-from-address-violates-usernamecasemapped-policy-common-causes-and-fixes/)[  Intermediate 6m  6 Smart Strategies to Prevent CEO Email Fraud  May 8, 2026 ](/blog/6-smart-strategies-to-prevent-ceo-email-fraud/)

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