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The iMessage Sync app only works while your Mac is awake and online. A Cloud Mac never sleeps, never loses wifi, and never runs out of battery, so your messages always send and receive instantly.

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Why We Recommend This​

We strongly suggest renting a Mac in the cloud instead of using your personal laptop.
  • Never Miss a Beat: 100% uptime means your messages always send instantly.
  • Zero Headaches: You never have to worry about dead batteries, sleep mode, or a dropped wifi signal.
  • Always Available: Connect from any computer, anywhere, without keeping a physical Mac running at home.
  • Easy Upgrades: Need more power? You can upgrade your Cloud Mac with one click.
Yes. Your iPhone is still required for iMessage and SMS forwarding. The Cloud Mac replaces your physical Mac, not your phone. Both must share the exact same Apple ID.

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Step 1: Rent Your Cloud Mac​

We’ve partnered with HostMyApple to give you a 15% discount on your first month. Grab the code below to use at checkout: 15% Discount Code (Click to Copy) 
APR1526
Rent a Cloud Mac from HostMyApple
HostMyApple Cloud Mac
1
Click the button above to open HostMyApple’s store.
2
Choose a macOS plan. The macOS ARM VPS Lite plan is plenty for running the iMessage Sync app.
3
Enter the discount code APR1526 at checkout to get 15% off your first month.
4
Complete your order. HostMyApple will email you your Cloud Mac login details, usually within a few minutes.
The entry-level “Lite” plan handles the iMessage Sync app comfortably. You only need a bigger plan if you intend to run other heavy software on the same Mac. You can always upgrade later.

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Step 2: Connect to Your Cloud Mac​

Once your Cloud Mac is ready, HostMyApple emails you everything you need to connect: a host (IP address), port, username, and password. HostMyApple uses NoMachine as the remote desktop client - it’s free, fast, and works on Windows, Mac, and Linux.

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2.1 Download and Install NoMachine​

1
Go to nomachine.com/download and download the free NoMachine client for your operating system (Windows / macOS / Linux).
2
Run the installer and follow the prompts. After installation, NoMachine will appear in your apps.
NoMachine app icon

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2.2 Add a New Connection​

1
Open NoMachine and click Add (or New connection) in the top right.
2
Fill in the Machine address screen using the details from your HostMyApple welcome email:
  • Name: anything you want (e.g. “My Cloud Mac”)
  • Host: the IP address from your email (for example, 8.30.153.52)
  • Port: 4000 (this is the NoMachine default - leave it unless your email says otherwise)
  • Protocol: NX
3
Click Add in the top right to save the connection.
NoMachine Add Connection screen with host, port, and protocol fields
Look at the welcome email HostMyApple sent you. It lists the IP, port, username, and password for your Cloud Mac. Copy these exactly - even an extra space will cause the connection to fail.

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2.3 Log In to Your Cloud Mac​

1
Double-click your saved connection in NoMachine. It will start connecting to your Cloud Mac.
2
When prompted, enter the Username and Password from your HostMyApple email.
3
(Optional) Check Save this password in the connection file so you don’t have to type it every time.
4
Click OK.
NoMachine login prompt asking for username and password
After a few seconds you’ll be looking at a full Mac desktop running in the cloud - just like sitting in front of a real Mac.
Once connected, your Cloud Mac behaves exactly like a physical Mac. Everything in the iMessage Full Setup guide works the same way here - Messages app, Apple ID sign-in, SMS forwarding, and all.
  • Double-check the IP, port, username, and password match the email exactly (no extra spaces).
  • Make sure your local internet is working - NoMachine needs an outbound connection on port 4000.
  • If you still can’t reach your Mac, contact HostMyApple support; the server may still be provisioning.

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Step 3: Sign In With Your Apple ID​

Your Cloud Mac needs to be signed in to the same Apple ID as your iPhone.
1
On the Cloud Mac, open the Messages app.
2
Sign in with the exact same Apple ID you use on your iPhone.
3
If prompted, approve the sign-in from your iPhone and enter the verification code.
4
Go to Messages → Settings → iMessage and confirm:
  • Enable Messages in iCloud is checked.
  • Under “You can be reached for messages at,” your phone number is checked.
  • Under “Start new conversations from,” your phone number is selected (NOT your email).
  • Your email address is unchecked.
You must always start conversations using your phone number, never your email. If you skip this, CRM won’t know how to track your replies.
Don’t forget to add your Cloud Mac to Text Message Forwarding on your iPhone (Settings → Messages → Text Message Forwarding) so green-bubble SMS messages route through it too.

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Step 4: Install the iMessage Sync App​

From here, the setup is identical to a physical Mac:
1
Follow Step 4 of the iMessage Full Setup guide to download and install the iMessage Sync app on your Cloud Mac.
2
Grant Messages access and Full Disk Access when prompted.
3
Paste your Activation Code from CRM and click Activate Device.
The sync app must stay open for messages to work. The good news: because a Cloud Mac never sleeps, you can leave it running 24/7 without worrying about it shutting down.

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Keeping Your Cloud Mac Awake​

Cloud Macs are always powered on, but it’s still worth confirming the Mac itself won’t go to sleep:
1
Open System Settings → Energy (or Displays/Battery).
2
Turn on Prevent automatic sleeping when the display is off.
3
Turn off Power Nap.
4

Pro Tip

Install the free Amphetamine app from the Mac App Store to guarantee the Mac stays awake.

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Frequently Asked Questions​

No. That’s the whole point. The Cloud Mac runs in a data center, so once it’s set up you can shut your own laptop and the messages keep flowing.
Each Cloud Mac is tied to one Apple ID. If you manage several numbers, see the Number Selection guide and plan a Cloud Mac per account.
The Cloud Mac uses the data center’s connection, not yours. Your home or office internet dropping won’t stop your messages, only the data center would, which is extremely rare.
With your Cloud Mac connected, head back to the iMessage Full Setup guide to finish connecting CRM and send your first test message.

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Support​

If you need help with the setup or onboarding: