9 sep 2013 kl. 17:16 skrev Viktor Dukhovni <[email protected]>:
> On Mon, Sep 09, 2013 at 10:52:26AM -0400, Paul Wouters wrote: > >> Mail servers and mail clients do not treat email addresses as >> case-insensitive. When encoding an LHS with base32, the case matters. >> Using the wrong case will cause you to not find the SMIMEA / OPENPGPKEY >> record. > > This is not accurate. While domain part of an email address is > case-insensitive, the case-sensitivity of the local-part is a > local matter. SMTP relays MUST NOT change the case of the local > part of envelope addresses. On arrival at the destination domain, > that domain's mail system may choose to treat local-parts case > insensitively, but remote systems must not rely on this. > > Therefore, <[email protected]> and <[email protected]> are a-priori > distinct addresses except perhaps in the hands of the MTAs that > handle example.com mail. > > [ The fact that most systems are in practice case-insensitive is not > sufficient to invalidate the right of some to be case sensitive as > they see fit. ] Just for the record - in SIP the username part is case-sensitive. /O _______________________________________________ dane mailing list [email protected] https://www.ietf.org/mailman/listinfo/dane
