How to Connect MailBluster with Postmark and Mailgun

how to connect MailBluster with Mailgun and Postmark

Mailgun and Postmark are reliable email delivery services to send transactional and marketing emails through SMTP. If you need a hassle-free and straight-to-the-point formula to connect SMTP, these email delivery services are the supreme solution for your email marketing tool. 

Let’s connect Mailgun and Postmark SMTP with MailBluster.

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Connect MailBluster with Mailgun and Postmark Step-by-step

Connecting Mailgun and Postmark with MailBluster requires your time, managing server connections, and adding records to your DNS server. Here, we will show you the step-by-step procedure for connecting Mailgun and Postmark with MailBluster. 

Let’s see how to connect Postmark with MailBluster.

Connect Postmark with MailBluster

Step 1: Create server and add the token

First of all, sign in to your Postmark account. 

Postmark log in


Click “Create Server” from the top right.

Postmark create server

Provide a name for the server and click Create server.

Postmark Name and Create server


Now, click the server you have just created and navigate to API Tokens and copy the Server API tokens.

Server's API Token Postmark


Now, paste the token into the Server token field in MailBluster. 

Postmark SMTP Settings on MailBluster


Step 2: Add the API and Domain 

Now, get the Account token from the API Token

Account API token



Sign in to MailBluster to add the API token to Postmark SMTP from Settings→ SMTP Providers. If you get both token fields, click Save connection.

Account token for Postmark on MailBluster


Now, add your domain to Postmark’s Sender signatures. Select the Send from any email address on a domain and click on Add Domain. This will let us add the DKIM and DNS records. 

Add domain or sender signature on Postmark


A domain adding window will pop up, add your domain there, and click Verify domain. This will lead us to the DNS Settings page

Add a domain box Verify domain


Step 3: Add DNS records to the server

Now, you need to verify the DKIM and Return-Path values. Go to SettingsSenders on MailBluster and click the added domain

Senders Settings by MailBluster


This will show you the DNS records. Copy and paste all the Names and Values to your DNS server to verify your domain on Postmark

DNS records and Settings on MailBluster


Take the DKIM, SPF, and Return-path records value from MailBluster and paste them into the DNS server by opening Add records and adding CNAME, TXT types. 

Cloudflare DNS management


Wait for a minute, and click Refresh, you will see the Verified green Success on MailBluster. 

DNS records are verfied on MailBluster


Click “Verify” on Postmark’s DNS settings, and it will display “Verified” in green. Now, Postmark and MailBluster are connected.

DNS records are verified on Postmark



Now, let’s head to connect MailBluster with Mailgun this time.

Connect MailBluster with Mailgun

Step 1: Sign in and Add your Domain

Sign in to your Mailgun account

Mailgun homepage


Click on SendDomains and click on Add new domain in the top right corner.

Mailgun Domains tab


This will take you to the Add New Domain window. Type your Domain name, select Domain region, IP assignment option, and keep the Advanced settings the same as it is. 

Add New Domain on Mailgun


Step 2: Create API Key

To create an API key, click the down arrow sign on your profile from the top right corner and click API Security from the dropdown.  

API security on Mailgun


On the API Keys page, click Create API Key, and a pop-up window will appear.

Create API key on Mailgun

Write your suitable API Key Description there. Click on Create Key.

Adding description to the API key on Mailgun


Copy the New API key

Copying New API key

Paste it into Mailgun’s SMTP settings on MailBluster’s SMTP Providers

SMTP providers API key pasting


Step 3: Add Domain Name on MailBluster 

Type your domain name in the Mailgun SMTP settings field on MailBluster, select the Region, and click Save connection.

Save connection on Mailgun SMTP MailBluster


Step 4: Add DNS records to DNS server

Now, go to Senders on MailBluster and select the domain you have just saved in the Mailgun settings. 

SMTP's DNS records on MailBluster


See the Sending records on DNS settings, and input all the Names and Values to the DNS server by opening the Add record. After some time, it will display ‘Success’ on MailBluster’s DNS settings. 

Cloudflare DNS management

Mailgun’s DNS records are successfully inserted into the DNS management system.

DNS management for mailgun on Cloudflare


Now, go to Mailgun and select Send Domain settings for the Receiving records, Tracking, and Authentication records. 

Mailgun DNS records


Add all the Values to the DNS server by opening the ‘Add Records‘ section in your DNS management settings.

Clouflare DNS management


After adding values in the DNS server, click Verify to update the status of the values. The status will display as ‘Verified’ and ‘Active’. Note that some values may take longer to verify within a short timeframe. 

Mailgun DNS records are verified


This way, MailBluster and Mailgun will be connected. 

Wrap Up

Connecting MailBluster with Postmark and Mailgun might seem daunting, but it doesn’t take much technical expertise to work on the connection. Just follow this tutorial and input all the records systematically into the DNS server. For more assistance, you can follow the help section on MailBluster or contact MailBluster support

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