Email header analyzer

كيفية استخدام Email header analyzer

ما الذي يحسبه ومتى تستخدمه

Reads the full headers من an email وshows the route it took وthe delay بسعر للقطعة server, وthe SPF وDKIM وDMARC results. It also flags signs من spoofing, such as a sending domain that differs from the From address. Everything happens في your browser.

طريقة الاستخدام خطوة بخطوة

1. Open the email’s raw headers: في Gmail choose “Show original”, في Outlook open the message properties.
2. نسخ everything above the الرسالة body وpaste it into the صندوق.
3. Read the authentication النتائج وthe route, oldest hop first.
4. Check the warnings مقابل domain mismatches.

معنى كل مُدخل

• Email headers – The complete header block وstarting with أسطر such as Received: ومن:.

كيف تقرأ النتائج

• Authentication – SPF وDKIM وDMARC النتائج taken من the receiving server’s Authentication-Results header.
• الرسالة التفاصيل – من وإلى, التاريخ, Message-ID, Return-Path, Reply-To وmailer.
• Route – للقطعة server hop وits address وthe الوقت added between hops.
• Warnings – Domain mismatches وfailed checks.

الصيغة

من Received headers are added at the top by each server, so they are read bottom إلى top. The delay at a hop هو its timestamp minus the previous hop’s. Total delivery time هو the last timestamp minus the first.

مثال محلول

A الرسالة with spf=pass وdkim=pass وdmarc=pass sent from the same domain as its From address, delivered في 5 seconds across 2 hops, shows no warnings.

الافتراضات والحدود

• The receiving server’s Authentication-Results header هو trusted. Earlier Received أسطر علبة be forged by a sender.
• الوقت stamps use للقطعة server’s own clock, so small negative delays علبة appear.
• لا شيء هو uploaded.

أخطاء شائعة

• Pasting only part من the headers.
• Trusting the From name. It هو من easy إلى fake وso check the domain وauthentication النتائج.
• Treating a failed SPF as proof من fraud. Forwarded mail often fails SPF.

الأسئلة الشائعة

أدوات ذات صلة