[imp] problems sending emails with attachment

[Robert Jaroszuk]

Hello.

I know this problem was discussed here before:

  -> http://lists.horde.org/archives/imp/Week-of-Mon-20030825/034443.html

but I have a bigger problem :)

[13-Apr-2005 14:40:41] PHP Fatal error:  Allowed memory size of
41943040 bytes exhausted (tried to allocate 12353971 bytes) in
/usr/local/pear/Net/SMTP.php on line 720

I'm trying to send email with 4 MB file in attachment.

PHP configuration:

php_value memory_limit 40M
php_value upload_max_filesize 8M
php_value post_max_size 20M

So it is not a problem with php itself (I tried to upload 4M file
by using a simple php script and there were no problems with that).

So, why php is trying to allocate > 50MB of memory to send 4MB file?

Any ideas?

horde 2.2.4 
imp 3.2
php 4.3.11
3G of RAM :P

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