Howto cache outgoing mails?

[Alain Spineux]

On Sun, Jun 14, 2009 at 11:42 PM, Del<delonly at gmail.com> wrote:
> Alain Spineux wrote:
>>>
>>> I am looking for a way to cache outgoing mails on the Kolab server. The
>>> issue is the following: When I send large mails (e.g., through the Horde
>>> web-interface), the message window stays open (with no progress bar)
>>> until the entire message has left the Kolab-server.
>>>
>>
>> This is your browser that is uploading your email on the server.
>>
>
> Thanks again for your help Alain, and sorry for the double posting. I
> checked again, this time with Thunderbird and IMAP, using a 10MB
> attachement. Communication with the Kolab server was 100Mb LAN, but is still
> took the about ten seconds for Thunderbird to transfer the mail to the
> server, coinciding with time needed for the less juicy 10Mb WAN. So I do
> believe the Kolab server does no caching of attachements, otherwise the
> progress bar in Thunderbird should finish in about a second.

You must learn about SMTP protocol. Their is no attachment caching.

Thunderbird send email using SMTP protocol.
The attachment is included in the message !  Thunderbird when sending
and postfix (the SMTP of kolab) when receiving ignore the message they
are sending contains an attachment. They don't need to know. This is
just a message. SMTP don't handle anything else.
Maybe this is only 10Mb/s because your network or your PC or your
server cannot do better. Or maybe simply because SMTP is not as fast
as FTP.

When you use Horde, your attachment need to be loaded on your Horde
server then Horde create a message including your attachment and your
text and send it using SMTP protocol to the postfix server.

do a "tail -f /kolab/var/postfix/log/postfix.log" when sending an
email to understand what is happening and when




>
> Again very grateful for any directions on the issue.
>
> Cheers,
> Del
>



-- 
Alain Spineux
aspineux gmail com
May the sources be with you