Why sites do it
Sites decide for themselves which addresses they accept. Common reasons include:
- Preventing repeated free trials or promotions
- Reducing fake accounts, spam and abuse
- Making sure they can reach you about orders, security or account changes
- Supporting account recovery later
What it means for you
If a site blocks temporary addresses, it usually expects an ongoing relationship with you. That is often a signal the account deserves an address you will keep.
What to do
- Consider whether you actually need this account long term
- Use a secondary permanent address or a provider alias instead
- Respect the site’s rules rather than trying to work around them
A note on acceptance
No temporary email service can guarantee acceptance by every site. Email1Hour does not attempt to bypass blocks.