Why Your Web Host Blocked SMTP (and How to Fix It)
Have you just tried to send out a batch of emails only to find SMTP blocked? You’re not alone. Over 73% of shared hosting users face SMTP blocks at some point, according to recent hosting industry data.
The problem hits hardest when you least expect it. One day your contact forms work perfectly. The next day, nothing. Your customers don’t get order confirmations. Password reset emails vanish. And you have no idea why.
In this post, I’ll explain why your web host may have blocked your SMTP connection and how you can fix it using a sender that supports email API.


![[Fixed] Sorry this file type is not permitted](https://wpmailsmtp.com/wp-content/uploads/2022/08/fixed-sorry-this-file-type-is-not-permitted-for-security-reasons_l-625x328.png)


