Ok,
Here we go.
To a certain extent Erlang doesn't work in this case.
You will get a spike as the mail hits in the morning 9-10:30,
lunch 12-13:30 and evening 16:30-18:00. The morning one will be
the biggest (60%) followed by the evening (25%) then the lunchtime one
(15%) all those I'd take with a LARGE pinch of salt.
Then
1) Establish the size of the mailing and delivery method
2) Speak to your marketing dept. They will know the expected
response rate. You CANNOT do this yourself.
3) Establish WHEN the mailing will hit over how long etc.
4) Lay this against the uptake rate.
5) I find a day 1-5 65%, 20%, 8%, 5%, 2% split SEEMS to work
for me.
This is all in the UK of course.
HTH
DaveA
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