On 19 May 2011, at 11:24, W B Hacker wrote:

> Ian Eiloart wrote:
>> LEMONADE compliance
> ?
> 
> I don't see that what has been published so far has any interaction with an 
> MTA-only such as Exim at all. Integrated MTA+IMAP, perhaps....
> 
> Otherwise, the LEMONADE features proposed appear to me to be all in the IMAP 
> daemon's realm:
> 
> - IMAP IDLE for low b/w & virtual 'push'?
>       Old stuff.
> 
> - Forward w/o downloading body/attachments?
>       See Courier-IMAP's 'out tray', VERY old stuff.
> 
> What have I missed?

The SMTP components listed at http://www.lemonadeformobiles.com/detail.html

These items are implemented already. But, their relationship to LEMONADE isn't 
in our docs:

SUBMIT 
PIPELINING 
SIZE 
START-TLS
SMTPAUTH

These are sort of implemented:

8BITMIME - this is implemented, but off by default. 5.0 (or 4.8) could enable 
it by default, perhaps.

ENHANCEDSTATUSCODES - these aren't implemented by default, though they are 
configurable. Ideally, they'd be in the default configuration, and perhaps an 
ACL option would specify a status code. Version 5.0 might make an ACL invalid 
if it didn't specify an enhanced status code.

These aren't implemented at all, as far as I can see:
* BURL - this part allows integration with an IMAP server, a message is 
submitted with a an IMAP url to allow forward without download, etc.
* CHUNKING rfc3030 - allows large messages to be split into chunks.
* BINARYMIME rfc3030 - optimises bandwidth
* DSN - an SMTP extension defined in rfc3461 which allows the sender to specify 
conditions under which DSNs should be created.

Perhaps a starting point would be a wiki page - or a chapter in the 
documentation - explaining Exim's LEMONADE compliance.



> - small-screens?
>       More of a webmail function, IMNSHO.
>       See Gophermail/Chickadee fork of Prayer.
>       Or just add an optionable theme...
> 
> - 'true' push? (no continuously open data connection)
>       Email to SMS gateway with selective headers-only notification.
>       Also old stuff.
> 
> Bill
> 
> 
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-- 
Ian Eiloart
Postmaster, University of Sussex
+44 (0) 1273 87-3148


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