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If you have access to a large list of customers (perhaps thousands), you may be tempted to email them all and get lots of results fast.
| Warning |
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| Careful – emailing your whole pool is a rookie mistake. |
First of all, you should almost never email everyone in a big list. Lists of those size usually have more detail in them that you can use to filter the list down to the people you really want (not just bank customers, for example, but those with home loans who use Internet banking). For more on this, see Filtering lists below.
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