How to limit Apple Mail (desktop)?

[@lbutlr]

On Oct 31, 2017, at 5:01 PM, Joseph Tam <jtam.home at gmail.com> wrote:
> Rupert Gallagher writes:
> 
>> By default, Apple Mail downloads all e-mails from? server's account.
>> Previous versions of this client allowed to opt-out.  The latest two
>> versions? however, only allow to opt-out from downloading the
>> attachments. The stress on the server is unbearable.  We cannot ask users to be
>> considerate: this is the default behaviour of Apple Mail.
> 
> (I'm coming into this thread late.)
> 
> I'm having a hard time visualizing the cause of your problem.  Most big messages have the bulk of their data as attachments (which you state the mail reader can defer downloading).  Also, readers usually cache local copies, so they're downloaded once.

Yep.

> So what the composition of all this traffic?  Are you saying the mail client is ultra dumb and repeatedly downloading entire messages, read and unread, attachment and all (i.e. you're truly bandwidth limited?)

It most certainly does not do that.

> Do your users typically have many concurrent readers for the same mailbox?

Most of my users have 3 devices, a desktop, an iPhone, and an iPad. It doesn't seem to cause any issues.

-- 
Apple broke AppleScripting signatures in Mail.app, so no random signatures.