Scheduled email in clamshell mode in sequoia

Scheduled emails are not being sent when my Mac book is in clamshell mode. I use an external monitor, the Mac book is plugged in.


last night, I scheduled emails again, but left the lid open. The emails were sent as expected.


question: are there settings that allow me to leave the lid closed?

question: do I have to use a third party app like Caffeinate or Amphetamin?


thank you.

MacBook Air (M2, 2023)

Posted on Feb 2, 2025 9:23 AM

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Posted on Feb 13, 2025 1:15 PM

Argh ... my bad. I finally figured out what the issue is: when MacOS removed the setting for scheduled shutdown and startup, I manually activated a schedule via terminal (pmset -g sched) I since forgot about it and multiple updates later, it still faithfully shut down at about 11:30


apologies, thank you for your help.

3 replies
Question marked as Top-ranking reply

Feb 13, 2025 1:15 PM in response to leroydouglas

Argh ... my bad. I finally figured out what the issue is: when MacOS removed the setting for scheduled shutdown and startup, I manually activated a schedule via terminal (pmset -g sched) I since forgot about it and multiple updates later, it still faithfully shut down at about 11:30


apologies, thank you for your help.

Feb 13, 2025 3:32 PM in response to JimKnopf

JimKnopf wrote:

Argh ... my bad. I finally figured out what the issue is: when MacOS removed the setting for scheduled shutdown and startup, I manually activated a schedule via terminal (pmset -g sched) I since forgot about it and multiple updates later, it still faithfully shut down at about 11:30

apologies, thank you for your help.


ok JimKnopf


ref: Schedule your Mac to turn on or off in Terminal - Apple Support


Feb 3, 2025 9:32 AM in response to JimKnopf

JimKnopf wrote:

Scheduled emails are not being sent when my Mac book is in clamshell mode. I use an external monitor, the Mac book is plugged in.

last night, I scheduled emails again, but left the lid open. The emails were sent as expected.

question: are there settings that allow me to leave the lid closed?
question: do I have to use a third party app like Caffeinate or Amphetamin?

thank you.


You can try making changes...


>System Settings>Battery>Options



report back your success or failure



ref: Send an email in Mail on Mac - Apple Support


The current stable release of Sequoia including bug fixes, security updates is macOS 15.3

Keep your Mac up to date - Apple Support



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Scheduled email in clamshell mode in sequoia

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