dovecot - Aug 2018 - Imap special-use with IOS 11

Hello,

has anyone experiened any issues with IMAP SPECIAL-USE extension with ios11?
After the update to ios11 the Ios mail client seems to not recognize
anymore the imap special-use, so that system folders (Sent, Trash etc..)
are not authomatically recognized and set during the configuration.

Regards
Federico
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> On 17 Aug 2018, at 17.20, Federico Bartolucci <federico at aruba.it>
wrote:
> 
> Hello,
> 
> has anyone experiened any issues with IMAP SPECIAL-USE extension with
ios11?
> After the update to ios11 the Ios mail client seems to not recognize
anymore the imap special-use, so that system folders (Sent, Trash etc..) are not
authomatically recognized and set during the configuration.
Can you please verify that your dovecot advertises in the pre-login or
post-login banner that SPECIAL-USE is advertised to be supported?
iOS Mail.app does not seem to use the special use flags unless they are
advertised to be supported. (Just like RFC mandates)

Sami


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