🚀 go-pugleaf

On Thu, 24 Jun 2004 20:09:40 GMT, Alan Connor <zzzzzz@xxx.yyy> wrote:
> 
> 
> On Thu, 24 Jun 2004 19:04:35 +0000 (UTC), Soruk <soruk@bitbucket.eridani.co.uk> wrote:
>> 
>> 
>> Hi there.
>> 
>> I'm trying to write something that will enforce a message size limit, 
>> intended for use over a modem connection.
>> 
>> The other catch: No ESMTP. It has to be workable with bog-standard SMTP.
>> 
>> Is there a way of doing this without having to wait for all 10Mb of a 
>> message to squeeze its way down a 28k8 phone line?
>> 
>> I know just kicking the connection will make the sending server treat it 
>> as a 4xx error and retry later. What I want to do is to somehow tell it to 
>> get lost and don't bother retrying if the message hits a particular 
>> size threshold.
>> 
> 
> Fetchmail will dump mails over a certain size, but I am not clear whether
> it downloads them first or not. Procmail downloads them and then dumps
> them.
> 
> I have an nc (netcat) script (bash) that could be modified to pull down the
> message numbers and sizes, and then delete any that were too large 
> on the server (POP) and then either bring the rest of the mail down
> or get out of the way.
> 
> You can also bring down the headers and scan them for anything else 
> objectionable and have those mails deleted on the server too.
> 
> There is a tool called "mailfilter" that brings down the headers for
> the same reasons, and I assume that it has the option to set a size
> limit.
> 
> (I THINK I have that name right.)
> 

I checked to see whether fetchmail downloads oversized  mail before deleting
it, and it doesn't. Here are the strings from my packet logger for fetchmail
checking for new mail in a POP mailbox with only one, oversized mail in it:
The size limit set in fetchmail is 20K.

pop     earthlink
pop     earthlink
itchy
scratchy
+OK NGPopper vEL_7_8 at earthlink.net ready <14247.1078111293@scaup.mail.paz.ear
thlink.net>
8CAPA
user
pass
uidl
KUSER me@earthlink.net
^PASS XXXXXXXXX
+OK me has 1 messages (36416 octets).
pSTAT
+OK 1 36416
LIST
<'+OK
1 36416
DELE 1
<7+OK
QUIT
<H+OK


(no, I have no idea what "itchy\nscratchy" means :-)

AC


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