Showing posts with the label zrsfeature

Full email headers: What are they and how to access them (Updated for 2024)

Internet email messages have hidden headers (that email technology people commonly call "full headers" or "email headers") that can help you trace the source of a message and these can come in very handy for troubleshooting email delivery issues or reporting spam. You know about some email headers already. To, From, Subject, Date are all examples of email headers you see …
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Help! I got spammed! What should I do?

Here's what I think you should do if you've received unwanted spam in your inbox. Most importantly, you should click the "report spam" button offered by Gmail, Outlook.com, Yahoo Mail, etc. to train the ISP that the sender's domain and IP address are being…

How to find ISP Contact Information

Need to contact an ISP for a deliverability issue? But you're not sure where to start or don't know where to go looking for contact information? Here's an example of steps you can try to identify contact information. Keep in mind that no method for looking for conta…

What IP address sent me that email message?

Every email server has an IP address. It's sort of like the phone number for a server. It's often a stable identifier. Each IP address traces back to a company who owns a particular "network" or "block" of IP addresses. The IP address likely also ref…

ESP Abuse/Spam Contact List

There are useful tools out there that can help you figure out where to send a spam report to. I use the ARIN Regional Internet Registry and abuse.net  nearly every day to look up spam reporting (abuse) contacts for IP addresses and domains. Some folks use SpamCop (which histo…