[sync] Contact list syncing problems

[Tim ODriscoll]

On Thu, 06 Nov 2014, Michael J Rubinsky wrote:

> Quoting Michael J Rubinsky <mrubinsk at horde.org>:
>
>> Quoting Tim ODriscoll <tim.odriscoll at lambrookschool.co.uk>:
>>
>>> On Tue, 21 Oct 2014, Michael J Rubinsky wrote:
>>>
>>>> No, I'd rather not. As long as there are still clients that can
>>>> *silently* fail by either not sending the email, or only sending the
>>>> email to one recipient, it's not really worth it. The only option would
>>>> be to conditionally enable it based on the client, which I'll look into
>>>> to see if it's possible without breaking BC - but won't promise anything.
>>>
>>> I've come across another issue with contact lists and mobile devices:
>>>
>>> If you 'reply-all' on an iOS or an Android 'Nine' client to a message that
>>> originated from IMP and was sent to a contact list, the reply only goes to
>>> the first 28 email addresses.
>>>
>>> We have an 'all staff' contact list with 102 contacts, and on both iOS and
>>> Nine it gets truncated when you reply-all.
>>>
>>> How are other people dealing with mobile devices and large contact lists?
>>
>>
>> The thing is, EAS isn't really designed to handle large numbers of  
>> recipients entered individually. It's designed to use Exchange's  
>> distribution lists for this purpose. This issue is almost certainly  
>> a client-enforced limit. We don't enforce any limiting on recipient  
>> counts server side.
>
> Actually, forget that. We are limiting the To: field when the email  
> is originally sent to the device, so it is only receiving up to a  
> maximum of 1024 characters. Not sure where I got that limit from,  
> the documents now say it has a maximum length of 32,768 characters.  
> Will fix shortly.

Thank you, Mike. I've submitted a bug report to Apple for their iOS  
app's warning about contact list expansion, but I'm not expecting  
anyone to read it..

Tim