How to warm up your email account before you start sending cold emails

If you have recently purchased a new domain to use with Octobox then you will need to warm up your email IP before you start sending.

Once you have purchased a domain and set up an email account associated with it, you should wait at least 2-3 weeks before sending higher quantities of cold email It’s best to start warming up your new email account by sending some emails back and forth within your organisation for a day or two. Once you have completed this step you can start a small campaign with Octobox, limit your email account to send a maximum of 15 -20 emails per day with a minimum delay of 500 seconds between emails and a maximum of 600 seconds.

After the first 3-4 days start increasing your emails by 100% every 3 days and start decreasing your delay between emails by 100 seconds every 3 days (we do not recommend you decrease the limit below 100 seconds).


Ensure you check your DNS records, we have included a link to DNS Lookup, a free online checker

It is recommend that you ensure you have the following records set up correctly SPF, DMARC, DKIM.


To change you daily sending limits follow the steps below:


  1. Click on email accounts
  2. Find the email address you want to edit and click on the settings tab
  3. Scroll the the bottom of the email details section
  4. Edit the emails per day and seconds delay as per the image below

If you require more information on email/IP arming please contact the Octobox support team at


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