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Coresender Quick Start Guide

So you have signed up for a Coresender account and most probably already confirmed your email address. This guide will take you through the next steps of configuring your account to the point of sending your first email:

  • Step 1 – Add a sending account
  • Step 2 – Add your sending domain
  • Step 3 – Configure your sending domain

Step 1 – Add a sending account

Sending accounts are a way to separate your emailing activities. For example, suppose you're going to send emails from a few separate systems (e.g., issue tracking software, CRM, your main app). In that case, you can use different sending accounts for better accounting. Anyway, the first sending account is mandatory.

You also have to decide what types of emails you plan on sending through the sending account: transactional or marketing. It is a crucial step, as we have a policy against using our transactional sending accounts for marketing emails. Please refer to our article on Transactional vs. Marketing emails.

Step 2 – Add your sending domain

All your outgoing emails have to contain a sender's email address. We have to make sure that this address is within the domain you control and that this domain authorized Coresender to email on its behalf.

First, add your sending domain. On the "Add domain" screen, provide its name and select a sending account to which you want to assign the domain. You can freely reassign it later.

When you're ready, click the "Add domain" button below the form, and your domain will appear on the list. Click its name to enter the details screen.

Step 3 – Configure your sending domain

One of the main aspects that affect deliverability is the sender domain authorization. The receiving party uses authorization methods such as SPF and DKIM to verify whether the From address is legitimate. That's why the correct domain configuration is essential. And it's easy, too. You only have to add a few records to your DNS.

Once you're ready with adding those records, press the "Verify domain" button, and our system will check the DNS to verify the configuration.

Your typical disclaimer. Some DNS services (like Cloudflare) will propagate your changes within seconds. But some will require several hours. If this is a case, you'll have to give it some time before verifying the domain again.

After the successful verification, your domain will turn "all green". Yes, you're done.


You are now ready to send your first email. What you can do next:

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