[Dovecot] Question about supporting EAI in Devecot

Timo Sirainen tss at iki.fi
Tue Jan 8 15:26:15 EET 2013

If it works the way I'm thinking, probably a few hours of coding. I'm not really in any hurry to implement it though, since it requires SMTPUTF8 anyway and I'm not aware of any (open source) servers supporting it.

Oh, Dovecot's LMTP server should probably also support SMTPUTF8. I haven't really thought of that yet. Not sure how much work that is.

Anyway, as I mentioned, I very much don't look forward to implementing any downgrading. I think the downgrading belongs to SMTP server level, which luckily is outside Dovecot. So I think I'll implement the IMAP UTF8 support as a setting with 3 possible values:

a) No UTF8 support at all
b) IMAP client required to support UTF8 extension, don't allow any clients not supporting it to do anything
c) Just assume that the current non-UTF8 extension supporting IMAP clients can handle UTF8 headers in not-completely-broken way and just send them the UTF8 headers. In my few tests this appeared to work well enough.

On 7.1.2013, at 14.50, Abdulrahman I. ALGhadir <aghadir at citc.gov.sa> wrote:

> How long do u think it will take?
> -----Original Message-----
> From: Timo Sirainen [mailto:tss at iki.fi] 
> Sent: 7/Jan/2013 3:46 PM
> To: Abdulrahman I. ALGhadir
> Cc: dovecot at dovecot.org
> Subject: Re: [Dovecot] Question about supporting EAI in Devecot
> On 7.1.2013, at 14.36, Abdulrahman I. ALGhadir <aghadir at citc.gov.sa> wrote:
>> I would like to ask the staff of Devecot if they are planning (working) or supporting EAI (http://tools.ietf.org/wg/eai/) in the future versions?
> My current plan is to implement it without support for downgrading. That would be almost trivial to implement I think.
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