ot: data consumption IMAP vs POP

[Daniel Tröder]

On 01/27/2016 03:35 AM, 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
> 
> 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 ?
> 
> thanks, V

Your users IMAP-clients can (hopefully) be configured to automatically
cache emails once they were downloaded. If that is configured, there
should be no difference in bandwidth usage between POP and IMAP.

Greetings
Daniel

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