DMARC aspf tag: what it does and when to change it
The aspf tag controls how strictly DMARC checks SPF alignment. Most people leave it at the default and that's usually fine. Here's when you might want to change it.
Our blog shares expert insights on email security, DMARC configuration, and deliverability optimization.
The aspf tag controls how strictly DMARC checks SPF alignment. Most people leave it at the default and that's usually fine. Here's when you might want to change it.
SPF failures show up in your DMARC reports or email headers, but the reason is not always obvious. We break down the common causes of SPF failures and walk through practical troubleshooting steps.
Managing DMARC across multiple domains means logging into GoDaddy, Cloudflare, Route 53, and more. Human error is the top cause of DMARC failures. A centralized dashboard catches mistakes before they hurt deliverability.
Publishing SPF, DKIM, and DMARC records is just the start. Without monitoring, you won't know when authentication breaks, new senders appear, or someone starts spoofing you.
Gmail now requires DMARC for bulk senders. Learn how to check if your domain passes Google's email authentication requirements, fix common issues, and monitor your DMARC status.
DMARC compliance is mandatory, but most companies approach it wrong. Here's what tools you actually need, who needs what, and what happens when you skip proper monitoring.
Microsoft 365 doesn't enable DMARC by default. Here's how to configure SPF, DKIM, and DMARC properly for your custom domain, avoid common pitfalls, and actually monitor what's happening.
We just launched our affiliate program. Earn recurring commissions on every referral.
Check your domain's DMARC, SPF, DKIM, and BIMI records in seconds. Our free DMARC checker provides a complete email authentication audit with actionable recommendations.
Generate a valid DMARC record for your domain without touching DNS syntax. Our free DMARC generator creates properly formatted records with the right policy for your needs.
Your compliance team asks where your data lives. Now you can give them a straight answer. DMARCTrust lets you choose between EU and US data residency at signup.
Sending emails is no longer enough. Gmail, Yahoo, and Microsoft now require authentication, clean lists, and proper reputation. Here's the complete stack to ensure your emails actually reach the inbox.
We use cookies to enhance your experience, analyze site traffic, and for marketing purposes. You can choose which cookies to allow. Learn more in our Cookie Policy.
Manage your cookie preferences below. Essential cookies are always active as they are required for the website to function.
Required for the website to function. Cannot be disabled.
Help us understand how visitors interact with our website.
Used to measure advertising effectiveness and show relevant ads.
Learn more about how we use cookies in our Cookie Policy.