== Non-retrieved items ==
=== Same server ===
If the recipient does not pick up their mail within two weeks, they are automatically returned-to-sender.
If the original sender does not pick up the returned items within two weeks, they are destroyed.
=== Cross server ===
If the recipient does not pick up their mail within two weeks, they are destroyed.
If the recipient uses return-to-sender and the original sender does not pick up the items within two weeks, they are destroyed.