Thanks for the replies,
i don't know if it's right to reply here(it's also first time for me using mailing list)

To Thomas Bruederli: i used dropbox_attachments plugin, but it's still attaches the file to the email, so i can't use it
To Alksander 'A.L.E.C': yeah, your are right. That's why i  just put a download link into the email. then anyone who knows the download link can download the file from webserver

2018-06-04 19:00 GMT+09:00 <dev-request@lists.roundcube.net>:
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Today's Topics:

   1. Re:  please help roundcube large size file attachments (A.L.E.C)


----------------------------------------------------------------------

Message: 1
Date: Mon, 4 Jun 2018 11:56:54 +0200
From: "A.L.E.C" <alec@alec.pl>
To: dev@lists.roundcube.net
Subject: Re: [RCD] please help roundcube large size file attachments
Message-ID: <41174f04-9fb1-57fb-4df7-84ddb45ea971@alec.pl>
Content-Type: text/plain; charset=utf-8

On 04.06.2018 11:37, Thomas Bruederli wrote:
> Please have a look at the dropbox_attachments plugin:
>
> https://plugins.roundcube.net/packages/hassansin/dropbox_attachments

This still attaches the file to the email, so not what was asked.
Sending big message will still fail on most servers.

--
Aleksander 'A.L.E.C' Machniak
Kolab Groupware Developer         [http://kolab.org]
Roundcube Webmail Developer   [http://roundcube.net]
----------------------------------------------------
PGP: 19359DC1 # Blog: https://kolabian.wordpress.com


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