Aligned Blog
Guides, deep dives, and honest takes
Articles for people working on stop guessing whether your dmarc is working.. Written by engineers, no marketing fluff.
Demystifying Google Groups DMARC Behavior: What You Need to Know
Google Groups is a powerful tool for collaborative communication, widely used for everything from internal team discussions to public mailing lists. Howeve
Decoding Microsoft DMARC Reports: A Practical Guide for Engineers
DMARC aggregate reports are the backbone of understanding your email ecosystem's health. They tell you who's sending email on your behalf, whether it's leg
Spoofing Detection Beyond DMARC
You've implemented DMARC, configured your SPF and DKIM records, and you're regularly reviewing aggregate reports. That's a solid foundation for email secur
DMARC DKIM Alignment Failure: Step by Step
You've deployed DMARC, configured your SPF and DKIM records, and are starting to receive aggregate reports. But when you dig into the data, you see a persi
Google Workspace DMARC Alignment for Marketing
If you're managing email deliverability for a company that uses Google Workspace and sends marketing emails, DMARC alignment is probably on your radar. Or,
Interpreting DMARC Forensic Reports: A Deep Dive for Engineers
DMARC aggregate reports (RUA) offer a macroscopic view of your email ecosystem, showing you overall pass/fail rates, sending IPs, and authentication result
Is DMARC Required for Yahoo Bulk Senders? (And Why You Should Care)
If you're sending email in any significant volume, you've likely felt the tremors of the recent seismic shift in email deliverability. Google and Yahoo, tw
DMARC vs MTA-STS — They Solve Different Problems
Email security is a complex landscape, often leading to confusion between various standards and protocols designed to protect against different threats. Am
TLS-RPT Reporting Alongside DMARC: A Deeper Look into Your Email Security Posture
You've likely invested time in setting up DMARC for your domains. You're getting aggregate reports, parsing them, and perhaps even moving towards an p=reje
Postmark DMARC Alignment by Default
If you're sending emails, especially transactional emails, you've likely encountered DMARC, SPF, and DKIM. Getting these protocols configured correctly can
BIMI Requirements vs. DMARC Enforcement: Navigating Alignment Failures
You've heard the buzz about BIMI (Brand Indicators for Message Identification) – the promise of your brand logo prominently displayed next to your emails i
DKIM body hash failures — why they happen
You've set up DMARC, you're receiving aggregate reports, and you're seeing DKIM failures. Specifically, you're noticing a significant number of 'body hash
Is DMARC Required for Gmail Bulk Senders in 2024? Yes, and Here's Why.
The email landscape is constantly evolving, and 2024 marks a significant shift, particularly for organizations sending large volumes of email to Gmail and
HubSpot DMARC Alignment Configuration
If you're using HubSpot to send marketing emails, transactional notifications, or sales outreach, and you're also serious about email deliverability and se
Sendgrid DMARC Alignment Troubleshooting
DMARC is a critical email authentication protocol that helps protect your domain from impersonation and phishing. For it to work effectively, not only do S
SPF Macros for Sub-Domain Delegation: Unlocking Scalability and DMARC Alignment
Managing SPF records can quickly become a headache, especially for organizations with numerous sending services, internal applications, and delegated sub-d
Free DMARC Analyzer for Solo Email Senders: Unpacking Alignment Failures
As a solo email sender, whether you're running a small SaaS, a personal newsletter, or a freelance business, you might think DMARC is just for the big play
MTA-STS Policy File Template: Securing Your Email Transport
As engineers responsible for email infrastructure, you're likely familiar with DMARC and its role in authenticating sending domains. DMARC helps prevent im
How to Read a DMARC Aggregate Report XML
DMARC aggregate reports are the bedrock of understanding your email ecosystem's deliverability and security posture. They provide a high-level overview of
SPF 10 Lookup Limit and How to Fix It
If you've spent any time configuring SPF records, you've likely encountered the 'SPF PermError: Too many DNS lookups' message. This isn't a vague warning;
Mailgun DMARC Alignment: A Deep Dive into Common Failures and Fixes
DMARC is a critical email authentication protocol designed to protect your domain from impersonation and phishing. It builds upon SPF (Sender Policy Framew
Outlook 365 DMARC Alignment for Transactional Sends
If you're sending transactional emails from an application and using an Outlook 365 domain as your From address, you've likely encountered the complexities
VMC Certificate for BIMI Explained
If you're dealing with DMARC, you've likely heard the buzz around BIMI (Brand Indicators for Message Identification). It's the standard that lets your bran
Salesforce Marketing Cloud DMARC: Navigating Alignment Failures
You're sending emails through Salesforce Marketing Cloud (SFMC), you've set up DMARC, and suddenly your DMARC aggregate reports are showing a significant p
Moving from DMARC p=none to p=reject Safely
You've set up DMARC with p=none. That's a great start. You're getting aggregate reports, and you're seeing data. But p=none doesn't actually do anything to
Mailchimp DMARC Alignment — Getting It Right
Sending emails through third-party services like Mailchimp is a standard practice for marketing and transactional communications. However, ensuring these e
DMARC Report Aggregation When You Have 5 Senders
You've implemented DMARC. Good job. That's the first critical step towards protecting your domain from spoofing and improving email deliverability. But if
DKIM Canonicalization: Simple vs. Relaxed and Why It Matters for DMARC
You've set up DKIM, published your DNS records, and maybe even started receiving DMARC reports. Good job – you're already ahead of many organizations. But
Mailman 3 DMARC Mitigations
If you're running a Mailman 3 instance, you've likely encountered the frustrating challenge of DMARC. While DMARC is essential for email security and anti-
DMARC p=none vs p=quarantine vs p=reject: Understanding Your Enforcement Options
DMARC (Domain-based Message Authentication, Reporting, and Conformance) is a critical email authentication protocol that helps protect your domain from imp
ARC Sealing and DMARC Pass-Through
Email authentication is a complex dance, and DMARC has introduced a critical layer of security by requiring SPF and DKIM alignment with the From domain. Ho
DMARC and SPF Flattening — When to Do It
For anyone managing email deliverability, DMARC is a critical layer of protection against phishing and spoofing. It relies on the successful authentication
DKIM Key Rotation Safely: A Practical Guide for Engineers
As an engineer managing email infrastructure, you understand the criticality of email deliverability and security. DKIM (DomainKeys Identified Mail) is a c
Common DMARC Report Sources: Understanding Where Your Data Comes From
If you're implementing DMARC, you've likely configured a rua tag in your DMARC DNS record. This tag specifies an email address where DMARC aggregate report
Postmark DMARC Monitor vs DMARC Digests vs Aligned: A Technical Comparison
Implementing DMARC is a critical step in securing your email infrastructure and protecting your brand from phishing and spoofing. But let's be honest, gett
DMARC RUA vs RUF — What Each is For
DMARC (Domain-based Message Authentication, Reporting, and Conformance) is a critical email authentication protocol that helps protect your domain from imp
Interpreting Comcast.net DMARC Reports for Alignment Failures
DMARC aggregate reports are the bedrock of understanding your email deliverability and ensuring your brand's emails reach inboxes without being flagged as
DMARC Failure from Third-Party Senders: A Deep Dive into Mailchimp and HubSpot
DMARC is a critical email authentication protocol designed to protect your domain from impersonation and phishing. It builds upon SPF (Sender Policy Framew
Forwarded Mail Breaking DMARC: A Common Cause of Alignment Failures
DMARC (Domain-based Message Authentication, Reporting, and Conformance) is a critical email authentication protocol designed to protect your domain from sp
google.com DMARC Reports: Decoding Alignment Failures
When you dive into DMARC, understanding the aggregate reports can feel like deciphering ancient scrolls. Especially when you're looking at a domain like go
Phishing Indicators DMARC Won't Catch
DMARC (Domain-based Message Authentication, Reporting, and Conformance) is an indispensable pillar of email security. By enforcing SPF (Sender Policy Frame
Mailing Lists and DMARC: Navigating Rewrites with ARC
DMARC is a powerful protocol for email authentication, but it has a notorious Achilles' heel: intermediaries. Mailing lists are perhaps the most common and
DKIM Key Length 1024 vs 2048 — Pick One
As an engineer responsible for email deliverability and security, you've likely encountered DKIM (DomainKeys Identified Mail). It's a critical component of
DMARC Report Parser Open Source
DMARC is a critical email authentication protocol designed to protect your domain from impersonation and phishing. It builds on SPF (Sender Policy Framewor
Amazon SES DMARC Alignment: A Deep Dive for Engineers
If you're sending email at scale, particularly through a robust platform like Amazon SES, you're likely familiar with the alphabet soup of email authentica
DMARC reports too noisy — how to triage
You've deployed DMARC, congratulations! It's a critical step towards securing your email ecosystem and ensuring deliverability. But if you're like most eng
What is a DMARC Report and Why You Should Read Them
DMARC (Domain-based Message Authentication, Reporting, and Conformance) is a critical email authentication protocol designed to protect your domain from im
DMARC Report from Yahoo: How to Read
If you've deployed DMARC, you're likely receiving a steady stream of XML files from various mailbox providers. These are your DMARC aggregate reports, and
DMARC SPF Alignment Failure Explained
If you're dealing with DMARC, you've likely encountered the term 'alignment failure.' It's a common stumbling block, especially with SPF. This article brea