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Old 4 Jul 2012, 06:08 AM   #4
Junior Member
Join Date: Dec 2007
Posts: 17
Originally Posted by BritTim View Post
Fastmail may suffer from certain deficiencies, but performance of the webmail interface is not one of them. No matter the size of your inbox, a regular delay of five seconds when returning to the mailbox is too long and suggests a problem somewhere in the network link between your computer and Fastmail. The Pingdom report ( shows a consistent response time of about 0.6 seconds all day almost every day.

As a first step in tracking this down, I would suggest you try the command 'TRACERT' and see if there is an obvious performance bottleneck on one of he hops between you and FM. If you are using Windows, it may also be of value to run the diagnostic program FastTest (download link) and see if this can identify the source of the problem. Sometimes, it is something as simple as the network routing tables used by your ISP.
Thank you. Indeed, it looks pretty messed up to me: the second hop out from my router is a timeout:


Tracing route to []
over a maximum of 30 hops:

1 3 ms <1 ms <1 ms
2 * * * Request timed out.
3 15 ms 10 ms 11 ms []
4 19 ms 11 ms 11 ms []
5 38 ms 59 ms 35 ms
6 49 ms 43 ms 43 ms []
7 46 ms 41 ms 42 ms []
8 384 ms 50 ms 50 ms []
9 50 ms 49 ms 55 ms []
10 52 ms 50 ms 51 ms []

What do I do now?
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