[AusNOG] Straw poll: what is your email message size limit?

Ed Hallett ed at teltech.net.au
Tue Mar 26 12:31:38 EST 2013

This may not be the best forum for this... But I'm actually looking at
reducing email size limits to force users into using technologies
designed for file sharing and governance - Sharepoint, Skydrive Pro,
etc. Reducing limits to 5MB has all sorts of flow on effects - not even
talking about freeing up link bandwidth, Exchange store sizes, etc.


I've found that email enables poor habits.. Emailing a 10MB doc to the
user 2 rooms down via a hosted exchange? Floods the link twice, plus
stores the attachment in your local OST, the recipients local OST, and
two copies in the exchange store. Now, modify it, and send it back.


My 2c.

Kind regards,



From: ausnog-bounces at lists.ausnog.net
[mailto:ausnog-bounces at lists.ausnog.net] On Behalf Of Robert Hudson
Sent: Tuesday, 26 March 2013 12:24 PM
To: Paul Gear
Cc: ausnog at lists.ausnog.net
Subject: Re: [AusNOG] Straw poll: what is your email message size limit?


Currently 10MB, moving to 25MB shortly.

Mailbox size limits moving from 1.5GB to 25GB.

On 26/03/2013 11:57 AM, "Paul Gear" <ausnog at libertysys.com.au> wrote:

Hi all,

We have high-up non-technical people in our organisation asking for a
higher email message size limit.  (Ours is set to 10 Mb, which is the
most common limit i've seen.)  We've explained that increasing our email
system's limit won't solve the problem if every other mail system has a
similar limit, but the message isn't getting through.

If you have the information at your disposal, would you kindly reply
off-list with your current email size limit?  I'm happy to summarise the
results for the list.

If there's a better place to ask this, or if someone has already
collated this data for most Australian ISPs, please feel free to point
me to the right place.

Thanks in advance,

P.S. I'll be asking the same question to SAGE-AU shortly, so if you're
on both lists, apologies for the repetition, and feel free to delete one
of them. :-)
AusNOG mailing list
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