Not sure how message expiry is a standards compliance issue. SMTP, MIME and RFC822 et. al. don't say anything about where, how or if the message gets stored once transmitted.
> Not sure how message expiry is a standards compliance issue.
using market-influence to build massive scale expectation for a feature which can't actually be supported by the underlying protocol in an effort to 'embrace and extend' is exactly a standards compliance issue, and precisely what led to microsoft's internet explorer being labeled as an antitrust violation.
using market-influence to build massive scale expectation for a feature which can't actually be supported by the underlying protocol in an effort to 'embrace and extend' is exactly a standards compliance issue, and precisely what led to microsoft's internet explorer being labeled as an antitrust violation.