ot: data consumption IMAP vs POP

[Steffen Kaiser]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

On Wed, 27 Jan 2016, voytek at sbt.net.au wrote:

> I have a domain with about 50 mailboxes, server is located here in AUS but
> most of the users are on a LAN is SEAsia location. They were using POP
> (with Thunderbird), I suggested then can use IMAP instead, so they did.
>
> now they are asking;
>
> "Looks like Imap is adding a lot to our internet bandwidth"
>
> I guess they have some bandwidth limitation on their link

which limit(s)?

> I think I can understand that IMAP would increase bandwidth requirement,
> didn't expect it to cause 'problems'
>
> is there any optimization or changes I can make to reduce that ?
> the b/w limitation are at the client LAN link
>
> any other suggestions ?

Do they have problems more while sending or more while reading or more 
when doing "flagging, moving, deleting"?

Sending bandwitdh can be reduced by using BCC instead of the IMAP append 
to the sent mailbox.
Reading bandwidth should not change, unless they watch really many 
mailboxes.

- -- 
Steffen Kaiser
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1

iQEVAwUBVqhkEnz1H7kL/d9rAQITVAgAm72Db7j5LVthaXVBC9zsKNn+IYeJY43a
Yjz6KIjxyJxj+YSsZdemE+HekLX6i3k1GjHWyDVrbeaGaatS0PanpN1BMi15hJUQ
01YRNS8N2rZRh1HJmjajAIzRyN30Pg5VIBvtvgy4PZZjCpTX7xd9U924pYQUpId4
NzwupRqVdBTr5kGbDOA9f9ctSN9TXRR5o4kn/2dX6eCjCDMuXoK4vcLtK8h9Y+iC
/qqcpYvi5B1JuwffSNps/RxqDZbSQeLbJDqE7bR3CGR/1/MC5bLQoi1afegUAT67
x1APsJ1FtVdQiBc3oeVg13XmLG2obuowg4etOT+cpdIIiW/Zyun31A==
=pNSM
-----END PGP SIGNATURE-----