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I want to configure a Send Blackout Window to prevent Mobile Messages to be sent at night. I use Journey Builder to send these Mobile Messages.

While SF recommend to configure the Send Blackout Window directly in Mobile Connect, I don't know exactly where I must set up this functionnality. In addition to that, what happens after the blackout window? Are mobile messages still sent out?

Thanks a lot for your insigths!

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Configure the Send Blackout under Administration in MobileConnect:

In Administration,

  • click Set Blackout Window.

    Change the status to Enabled.

    Set the beginning and end of the send blackout.

    Save the send blackout.

What happens after the blackout window?

If your send starts at 9 PM and takes two hours, and your send blackout starts at 10 PM, the send continues until 11 PM, into the send blackout time period.

Are mobile messages still sent out? --> YES

Important notes:

Note 1:

Set the Send Blackout in MobileConnect and not in Journey Builder.

Note 2:

In Journey Builder, a send blackout window completely prevents messages from sending. Messages don’t queue for sending at later time.

References:

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  • Thanks @Rachid Mamai. Once I configured the Blackout Window, does it apply to one or all of the Mobile Messages?
    – Grégoire Sarrola
    Jan 22, 2020 at 9:20
  • Sorry to bother, I have another question. Does Send Blackout Window apply to Mobile Messages in Journey Builder? In other words, do I have to re-configure the Blackout Window in my journey?
    – Grégoire Sarrola
    Jan 22, 2020 at 9:30
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    Blackout Window applies for all sends except the ones conducted using MobileConnect API. For your second question, to be honest I did not test this case, I'll suggest that you set the Blackout Window in MobileConnect and try to send an SMS through a Journey without setting the Blackout Window in it..
    – Rachid Mamai
    Jan 22, 2020 at 9:39
  • Ok, I will try that. Thanks again!
    – Grégoire Sarrola
    Jan 22, 2020 at 9:50

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