Welcome • User Guide
ToS • Privacy • Canary
Donate • Bugs • License

©2026 Poal.co

209

Over the past few years, I've noticed there's a bunch of email validation companies that will constantly hit your mx to see if there's a catch-all, or if a particular address is live. These don't seem to show up in most consumer email systems - hotmail, gmail, yahoo, proton, etc. but certainly show up in my domain email. I'm not sure if this is because there's less trust implied with my domain, or because the big guys silently allow them but don't pass them.

Regardless, this is what I've blocked so far:

mails.so businesspagesonline.com bouncer.cloud thebouncer.io truelist.io validator.com applicationpages.com example.com emaillisttracking.com mail-scraper.com ipqualityscore.com emailage.com pretty much anything with .io as a TLD

It does make a few things difficult, for example credit card companies do use these to check your email address, and cellular carriers do it to. But there's no need for them to CONSTANTLY do it, and fuck you, you're blocked. Too bad.

Over the past few years, I've noticed there's a bunch of email validation companies that will constantly hit your mx to see if there's a catch-all, or if a particular address is live. These don't seem to show up in most consumer email systems - hotmail, gmail, yahoo, proton, etc. but certainly show up in my domain email. I'm not sure if this is because there's less trust implied with my domain, or because the big guys silently allow them but don't pass them. Regardless, this is what I've blocked so far: mails.so businesspagesonline.com bouncer.cloud thebouncer.io truelist.io validator.com applicationpages.com example.com emaillisttracking.com mail-scraper.com ipqualityscore.com emailage.com pretty much anything with .io as a TLD It does make a few things difficult, for example credit card companies do use these to check your email address, and cellular carriers do it to. But there's no need for them to CONSTANTLY do it, and fuck you, you're blocked. Too bad.
[–] • 2 pts

How do they hit your mx? Do they send an email to their target address to see if your server accepts it?

[–] • 2 pts

Yes.

embed

[–] • 2 pts

Thanks.

I’m not getting hit by any of these yet, but I’m sure it’s only a matter of time.

[–] • 1 pt

Thanks for this. I’m gonna go block them.

Also: I was going through your website & I Personally, saw your business website. I would like to send you a Portfolio of your website. It will Show you exactly what needs to be done to Move you up in the rankings dramatically. May I send you Portfolio with Price? Thanks

Funny. That website is first on Google search.

Fucking poojeets

[–] • 1 pt

I get those too, but they're sending it to the address of a former owner of the site. I blocked that almost immediately after it was just junk.

I've had everything from "We'll do an energy analysis on your website" to pakis that can barely write English promising me they are "expert at the SEO and You Tube maximizing."

[–] • 1 pt

And don’t forget you aren’t listed in intenet voice listings. What ever the fuck that is.

[–] • 0 pt

Internet voice listings lol lol lol WTF is that?