The upsides/downsides of having double opt-in?
I was just wondering if anyone here doesn't use double opt-in on their lists. Do you think that there are any downsides of having double opt-in enabled.
And on the other hand, despite the obvious benefits of having double opt-in enabled, are there any effects in the long run of having a list that anyone has noticed?
Thanks in advanced for the input!
-Matt P
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