Enable Subscriptions (if disabled, users will not be able to sign up for subscriptions.)

You can have mail sent any number of days in advance. Specify a space-separated list of days:

Days in advance to send mail:

For instance:

• To have mail sent 3 days in advance of events, just enter "3".
• To have mail sent 7 days in advance, and again 1 day in advance, enter "7 1".
• To have mail sent 10 days, 3 days, and 1 day in advance, enter "10 3 1".

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