MailVerify | SPF, DKIM, and DMARC Analysis

Generate a temporary unique email address below. You can send multiple test emails to it (e.g., from different domains, mail clients, or providers) to analyze them together. Watch the diagnostic reports arrive and update in real time.

Send your test email to:

Generating address...

Listening for incoming email...

00:00

Email Analysis Report

Subject: Test Email

From: sender@example.com

Sender IP: 192.0.2.1

Received At: 2026-06-23 18:00:00

SPF Check

PENDING

Validates that the sending mail server IP is authorized to send mail on behalf of the envelope domain.

Result Detail: Checking...

DKIM Check

PENDING

Verifies that the message body and headers have not been altered in transit using a digital signature.

Result Detail: Checking...

DMARC Check

PENDING

Checks if SPF and/or DKIM alignment passes, and tells receiving mail servers how to handle failures.

Result Detail: Checking...

Blocklist Check

PENDING

Checks the sending mail server IP against 23 of the most common DNS-based blocklists (DNSBL).

Result Detail:

Checking...

Loading headers...