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From: "Davy Leon" on 2 Sep 2009 09:02
ok sounds like an alternative, but, in my case, as I told before, most of my
clients are on dialup, so one high res pic attached, let's say 3 MB it's
like about 15 minutes of conection to get the message using POP or IMAP, so,
my idea was letting the user enjoy the picture (silently modified) instead
of putting some message limit below 1MB by force. At the end it's better a
lower res pic than nothing.
That was just an idea. Thanks anyway, but message size limit sounds better
to keep my lines at a not annoying busy level.


----- Original Message -----
From: "Evan Platt" <evan(a)espphotography.com>
To: <postfix-users(a)postfix.org>
Sent: Tuesday, September 01, 2009 2:57 PM
Subject: Re: attachment manipulations


> At 10:58 AM 9/1/2009, you wrote:
>>Hi guys
>>
>>I hope some of you can help in this work around I need to do. My internet
>>conection is a very slow one, and most of the email clients are on dialup,
>>so I need to enforce limits to the message size. I'm thinking in those
>>email that arrive with big attachments, some of them are high res pics, or
>>.pps so I'm thinking how can I get the email, extract the attachments,
>>make resolution lower of the images to decrease size (using GD maybe), and
>>rebuild the original message with the modified images. In case of .pps I
>>can compress them. That way I can make smaller the dialup times. Have some
>>of you some ideas about how can I do that? Maybe a filter? I apreciate any
>>colaboration.
>
> I'm pretty sure I saw you ask this a few weeks ago with no response, so
> likely no one has an answer, but IMHO messing with attachments is a bad
> idea. I sure wouldn't like to have images changed on me. So then if I
> become the 'exception' - the person who WANTS to see the images at
> whatever resolution they come to me at, I'm SOL?
>
> Maybe a better idea - and this is still something postfix can't (AFAIK) do
> by itself - strip the attachments and put them onto a seperate folder.
> Perhaps that's a better solution - remove the attachments from the
> message, and put them on a FTP folder a user can access. But then you
> better be ready to start supporting FTP, and walking customers through
> downloading a FTP program, setting it up, etc.
>
> Maybe install webmail? And then if people can log into webmail if they
> have a large attachment?

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