[AusNOG] Current "Best Practice" WRT email size

[Damien Gardner Jnr]

My position for customers who ask the question, is that Gmail and Hotmail
allow 25MB.  So that's what we allow.  If customers want larger, I suggest
they use Dropbox, OneDrive, Google Drive, etc. :)

On 26 November 2015 at 13:25, paul+ausnog at oxygennetworks.com.au <
paul+ausnog at oxygennetworks.com.au> wrote:

> We use 20M as the max size through our network and very rarely do we see
> an issue, we only have business customers.
>
> My position if I were you would be to explain to the customer that they
> can get a free account on dropbox, and that's what it's for.
>
> Regards
> Paul
>
> -----Original Message-----
> From: AusNOG [mailto:ausnog-bounces at lists.ausnog.net] On Behalf Of Ross
> Wheeler
> Sent: Thursday, 26 November 2015 1:10 PM
> To: ausnog at lists.ausnog.net
> Subject: [AusNOG] Current "Best Practice" WRT email size
>
>
> On Thu, 26 Nov 2015, David Hughes wrote:
>
> > Please pull it back to something with operational relevance.
>
> Not sure if this is "operationally relevant" or not, I hope so...
> I've spent several hours over the last few days trying to find some
> "authorative", current, relevant guide as to what is considered "best
> current practice" guidelines for email attachment sizes.
>
> I know email is being constantly asked to take ongoing abuse and to become
> the defacto file-transport-and-archive system of choice, particularly by
> the technically incompetent, but how far does it go?
>
> Case in point: earlier this week, I had a call from a customer "needing"
> me to increase our mail size. (I thought we were 'reasonably generous' in
> current global terms, at 16MB per message). I asked what he considered it
> needed to be, his response was that "right now" he needs 50-60MB, but that
> he thought it shouldn't have any limit - but if it had to, that 300-500MB
> per message would "probably do for now".
>
> Of course, he doesn't care about any operational issues, about the fact
> that even if I did increase my server to that size, "most of the rest of
> the world" wouldn't accept his mail and it'd bounce back anyway. Turns out,
> he's "mostly" expecting to receive these files... and the "undeliverable"
> mail he was complaining about didn't even leave the other parties ISP! (Try
> explaining THAT to someone who doesn't want to know!)
>
> Lots of places still seem to have a 10MB limit, some smaller, some
> greater, but generally still in the low-tens-of-megabytes range.
>
> Would love to find a reference - partly to keep myself up to date with
> what everyone else is doing, and partly to be able to point this guy to so
> it's not just "Ross saying no".
>
> Thanks,
> R.
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-- 

Damien Gardner Jnr
VK2TDG. Dip EE. GradIEAust
rendrag at rendrag.net -  http://www.rendrag.net/
--
We rode on the winds of the rising storm,
 We ran to the sounds of thunder.
We danced among the lightning bolts,
 and tore the world asunder
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