What to expect
Google accounts (for Gemini) cannot be created with a disposable address at all. Claude and Perplexity both filter known temp-mail domains at signup and may add phone verification. If an address is accepted today, expect that to change — these lists are updated constantly. For a tool you intend to use regularly, a real address is the pragmatic choice.
If you decide to try it
- Open the temporary email generator and copy the address that is already waiting.
- Paste it into the signup form for Gemini, Claude and Perplexity.
- Watch the inbox — messages appear on their own within seconds of delivery.
- If nothing arrives within two or three minutes, the address was almost certainly filtered. See why websites block temporary email.
The honest caveat
Whatever the verdict above, a disposable inbox expires. If you would be upset to lose the account, register it with an address that will still exist next month. The comparison in temporary email vs email aliases covers the alternative.