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| Subject: | Re: Message size limit per user [SMTP2] |
| Group: | Postfix-users |
| From: | mouss |
| Date: | 30 Jul 2007 |
>
> On Jul 27, 2007, at 11:42 AM, Victor Duchovni wrote:
>
>> On Fri, Jul 27, 2007 at 01:03:33PM +0200, Andrzej Adam Filip wrote:
>>
>>> (E)SMTP is loosing ground so do not *joke* about "worldwide upgrade".
>>> I am a postmaster, for me it is not funny.
>>
>> This is hype. Legitimate mail volumes (even after spam is filtered out)
>> continue to grow. The fact that in some cases users have additional
>> ways to communicate is not contrary to pundit opinion a sure sign of
>> the decline of email.
>>
>> What teens do with their cell phones when they are roaming malls is not
>> indicative of what they will do ten years later when some of them have
>> a job that involves communicating with remote peers.
>>
>> --
>> Viktor.
>>
>> Disclaimer: off-list followups get on-list replies or get ignored.
>> Please do not ignore the "Reply-To" header.
>>
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>>
>> If my response solves your problem, the best way to thank me is to not
>> send an "it worked, thanks" follow-up. If you must respond, please put
>> "It worked, thanks" in the "Subject" so I can delete these quickly.
>
>
> Is it even something desirable to have everyone talking LMTP? I can't
> find the link at the moment but I had read a site recently that had
> some arguments that LMTP was designed as a local mail transport and
> wasn't designed for usage over the greater internet (for reasons that
> escape me now).
There is also an issue of client timeout at end of data that may result
in a message being sent mutliple times. with lmtp (over the internet),
you are multiplying this risk by the number of recipients. Also, you are
giving a remote client more work (and this is not a local client, where
you generally have some level of administrative control at both "sides"
of the lmtp connections).
>
>
> Assuming that LMTP IS something that would be nice to move to the
> greater internet, why not put LMTP in our SMTP banners like ESMTP?
you need an lmtpd for that.
>
> Just a random thought, but can you 4xx fail some recipients on a mail?
> What if I consistently 4xx the 2nd 3rd etc recipients, then accepted
> or rejected the mail based on the contents, then later the remote MTA
> would retry with only the other recipients for that mail, keep doing
> that until I have accepted and rejected all recipients individually.
> There are 1000 things wrong with this idea, so just ignore it but is
> it technically possible?
>
asking the client MTA to resend the same data more than once is abuse of
the bandwidth and of the system resources of that MTA (cpu, disk, ... etc).
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