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You avoid abuse by limiting disposable alias creation on a daily basis. But, unlike custom aliases, which build on our identifiable original email address, disposable aliases divert from our true email identity by utilizing a sub-domain created for this specific purpose, such as: (tda = temporary disposable alias) We limit personal activity virtual trails by disposing of aliases for casual uses. After all, how much privacy do we have if our fixed emails become the foundation for building and selling our marketing profiles, just as is done by gmail. It is the disposable alias which will help protect privacy, when submiting an email to an untrusted recipient.
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They also offer custom aliases which can be saved and used indefinitely. They offer unlimited disposable aliases, which expire within a given amount of time.
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