FYI See the inflation factor of SMTP msg size versus attached file size.
Len ================== >Delivered-To: [EMAIL PROTECTED] >Delivered-To: [EMAIL PROTECTED] >Date: Mon, 27 Jan 2003 15:55:44 +0000 >From: Simon White <[EMAIL PROTECTED]> >To: "'[EMAIL PROTECTED]'" <[EMAIL PROTECTED]> >Subject: Re: message_size_limit >Mail-Followup-To: Simon White <[EMAIL PROTECTED]>, > "'[EMAIL PROTECTED]'" <[EMAIL PROTECTED]> >User-Agent: Mutt/1.3.27i >X-Operating-System: Linux >X-AntiVirus: checked by Vexira MailArmor (version: 2.0.1.7; VAE: 6.17.0.2; >VDF: 6.17.0.19; host: camomile.cloud9.net) >Sender: [EMAIL PROTECTED] >List-Post: <mailto:[EMAIL PROTECTED]> >List-Help: <http://www.postfix.org/lists.html> >List-Unsubscribe: <mailto:[EMAIL PROTECTED]> >List-Subscribe: <mailto:[EMAIL PROTECTED]> >X-RCPT-TO: <[EMAIL PROTECTED]> > >27-Jan-03 at 16:51, [EMAIL PROTECTED] ([EMAIL PROTECTED]) wrote : > > > > > Maybe it is still no high enough? Did you forget to "postfix > > > reload" ? > > > > No. I've outgrown these pants already. > > > > > If you want to test, try having the user send then email, > > > then watch the > > > incoming queue for email, and watch it grow: > > > > > > You can see the files in the incoming queue this way: > > > > > > find /var/spool/postfix/incoming -type f -exec ls -l {} \; > > > > nice one. > > > > the 15.5MB file in fact was 22MB. smtp seems to produce a nice large > > overhead. > >No, it's Base64 encoding that creates overhead. All email actually >happens in ASCII... > >15.5*4/3 = 20.66 + headers and suchlike will bring it up to around 21, >22 Meg. > >To be on the safe side, if you want 20Meg attachments then you need to >set a message_size_limit of about 28Meg: > >20*4/3 >=26.66 >+ 1.44 meg for headers, long message, etc... indeed Base64 has an >overhead of slightly more than 4/3, it would seem, from my experience. > >-- >[Simon White. vim/mutt. [EMAIL PROTECTED] Folding@home no log script yet...] >History is the version of past events that people have decided to agree >upon. -- Napoleon Bonaparte >[Linux user #170823 http://counter.li.org. Home cooked signature rotator.]
