I have a website with a registration system, that sends new users a confirmation email after registering, and sends myself a
new user registered email.
A few weeks back, I created a newsletter subscription system. While testing it, I sent around 50-70 emails over the course of a week using
mail() function, to various valid and
Suppose I have the domain
abc.com, and I use an email system on my domain accessible at
The problem I'm having is:
- Since last week, I've stopped getting emails from the registration module.
- I don't receive newsletter subscription confirmation emails from my newsletter subscription system if I use an email from my domain, like
firstname.lastname@example.org, but I do if I register with something else, like from Gmail or Yahoo! mail, and so on.
So its clear that problem is only on my domain. Can anyone explain what's going on and what needs to be done to fix it?
I have checked if my domain is blacklisted, and it's not.