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Mailgun

Supports SPF Supports DKIM

How to Enable SPF for Mailgun

 

To set up your SPF record with Mailgun or edit your current SPF record to include Mailgun, follow the steps below:

  1. Sign in to your domain account at your domain host
  2. Locate page for updating your domain’s DNS records (e.g., DNS Management, Name Server Management, Advanced Settings)
  3. Find your TXT records to check if you have an existing SPF record (record will start with v=spf1).
  • If you have an existing SPF record, follow the instructions below to update an existing SPF record with multiple mail servers.
    • In your existing SPF record, you will append include:mailgun.org
    • For example, if your existing record looked like v=spf1; mx; ip4:1.2.3.4; you would add the above include as follows v=spf1; mx; ip4:1.2.3.4; include:mailgun.org;
  • If you do not have an SPF record, Create a new TXT record with the following values:
    • In the Name/Host/Alias field, enter @ or leave blank (other DNS records might indicate which one you need)
    • In the Time to Live (TTL) field, enter 3600 or leave the default
    • In the Value/Answer/Destination field, enter: v=spf1 include:mailgun.org ~all and Save the TXT record

 

How to Enable DKIM for Mailgun

 

To set up your SPF record with Mailgun or edit your current SPF record to include Mailgun, follow the steps below:

  1. Once logged in, visit the Domains tab. From there input a new domain or select one of the existing domains listed
  2. Scroll down to the section Domain Verification and DNS
  3. Click on the chevron logo to the right to expand this section if it is not already expanded
  4. You will now see two rows, one for SPF and one for DKIM.
  5. Open your DNS hosting provider. You will now need to copy the Type, Host, and Value fields and paste them into a new TXT record at your DNS hosting provider
  6. Once your records have been published, you will go back to your Mailgun account and click the Check DNS Records Now button to verify the setup is correct and complete

DKIM/SPF Setup Highlights

The below sections highlight notable characteristics of setting up DKIM and SPF for this provider as well as highlighting advanced settings if offered by this Outbound Email Source.

SPF

SPF Include Tag Required

This outbound email provider uses an include mechanism to add this provider's IP space to your SPF. To get fully set up with SPF for this provider, you will need to take the provided “include” domain and add it to your SPF record. An example of an SPF record without an include tag is compared to one with the tag added below (the include tags added are denoted in bold).

 

Initial SPF Record:

HOST TEXT
yourdomain.com v=spf1 ~all

 

SPF record include added:

HOST TEXT
yourdomain.com v=spf1 include:sender.net include:new3rdparty.com ~all

 

Allows custom Return Path

This outbound email provider allows for a custom Return-Path address to be setup. A custom return path, also known as a bounce-back address, is critical to pass SPF alignment.

DKIM

Supports DKIM Signing

Yes, this outbound email provider supports DKIM signing.

DKIM Setup via TXT record

This outbound email provider uses a TXT record to initiate DKIM set up. You will need to take the TXT record(s) provided to you by the provider and add them to your DNS via your DNS hosting provider.

An example of a DKIM TXT record is shown below.

HOST TEXT
s1.domainkey.yourdomain.com. k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDPtW5iwpXVPiH5FzJ7Nrl8USzuY9zqqzjE0D1r04xDN6qwziDnmgcFNNfMewVKN2D1O+2J9N14hRprzByFwfQW76yojh54Xu3uSbQ3JP0A7k8o8GutRF8zbFUA8n0ZH2y0cIEjMliXY4W4LwPA7m4q0ObmvSjhd63O9d8z1XkUBwIDAQAB

This outbound email provider allows custom DKIM records to be setup.

DKIM Setup Process: Self-Service Dashboard

This email provider offers a self-service dashboard where DKIM records will be setup for the account. To get DKIM setup for this provider you will login to your account at this provider and proceed to the DKIM setup area.

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