The post office forwards letters when a person moves, and telephone companies likewise forward calls. Should Internet companies be required to forward e-mails to customers who switch providers?
There is no mandate governing e-mail forwarding, and industry officials say imposing one would be costly and unnecessary. […]
“Costly?” An entry in the mail server database? It’s not like it’s about spam — I don’t think junk mail gets forwarded by the Post Office, so it seems like spam filtering before forwarding should be perfectly reasonable.
Also note that Declan disagrees: FCC asked to mandate ‘e-mail address portability’