A temporary address is generally unsuitable for warranty registration. Warranty-related communication can continue for months or years after the product is purchased.
The manufacturer may send registration confirmation, service instructions, repair updates, or product notices. An expired inbox can make those messages unavailable.
Use a lasting address and retain the purchase receipt, product serial number, and warranty terms separately. Registration requirements vary, so read the manufacturer’s instructions instead of assuming that submitting an email alone establishes coverage.
If a product is transferred to someone else, check whether ownership or registration details can be updated.
Temporary email may be acceptable for viewing general product information, where permitted. For records connected to ownership, repairs, or a potential claim, maintaining a dependable contact address is more practical.