Temp Mail can be useful when used appropriately, but safety depends on both the provider and how you use it.
Never assume that a disposable inbox offers the same security and account protection as a permanent private email account.
Some temporary inboxes may have limited access controls. Messages may also be deleted after a certain period.
Therefore, avoid using temporary email for sensitive accounts.
You generally should not use a disposable mailbox for accounts involving:
If losing access to the email address could cause a serious problem, a temporary address is probably the wrong choice.