On Mon, Jun 9, 2014 at 8:15 AM, Barry Leiba <[email protected]> wrote:
> Unfortunately, that's sort of a red herring. Most email clients show > the "pretty text" of the From (the display-name ABNF construct) if it > exists, and actually *hide* the actual address (the addr-spec ABNF > construct). > > Putting as much value on RFC5322 From as DMARC does follows > conventional wisdom, but I believe that wisdom is flawed. > > Of course, that speaks to the advice you want to give: tell UIs that > they should show the From addr-spec to users always. But be clear > about what you're asking for: you're not saying they should do it > because it's objectively "right"; you're saying they should do it > because it helps support the decision that DMARC has made. There are some other options that are particularly interesting. For example, I'm told that Gmail will only show the display-name if the email address in the From field is also in the user's address book and the message authenticated. Otherwise, it shows the email address. Naturally, we can't rely on all MUAs doing that any time soon, and we don't really have much ability to nudge them in that direction either. -MSK
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