[MlMt] iCloud accounts require an app specific password starting June 15th

[Steven M. Bellovin]

On 16 May 2017, at 14:35, Benny Kjær Nielsen wrote:

> On 16 May 2017, at 18:12, Brian LaFreda wrote:
>
>> MailMate does work with Apple’s app specific passwords, just 
>> don’t use the FQDN’d email address for username. Truncate the 
>> @me/mac/icloud.com and you’re good to go.
>
> I don't know if app specific passwords trigger this to be important 
> (it's a bit weird), but I think it actually correlates with some of 
> the user feedback I've had in the past.
>
> In any case, it's documented by Apple 
> [here](https://support.apple.com/en-us/HT202304). It does sound a bit 
> like they don't really know themselves what's going on: “Username: 
> This is usually the name part of your iCloud email address (for 
> example, emilyparker, not emilyparker at icloud.com). If your email 
> client can't connect to iCloud using just the name part of your iCloud 
> email address, try using the full address.”
>
> It gets even weirder when reading the instructions for the SMTP 
> username: “Username: Your full iCloud email address (for example, 
> emilyparker at icloud.com, not emilyparker)”
>
> But as the developer of something as idiosyncratic as MailMate I 
> really should not be the one to point fingers :)

I will note that I turned on 2FA long ago, and I've had zero trouble 
with MailMate and its app-specific password.  You set it up once; after 
that, it just works.

         --Steve Bellovin, https://www.cs.columbia.edu/~smb