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SendGrid

Supports SPF Supports DKIM

DKIM & SPF Setup for HostGator

 

SPF Setup for SendGridr

To set up or edit your SPF record, you will need to add: include:sendgrid.net

Edit existing SPF record

  1. Log in to your DNS hosting provider
  2. Look for a TXT containing v=spf1
  3. In your existing SPF record, you will append include:sendgrid.net
  4. For example, if your existing record looks 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:sendgrid.net

Create a new SPF record

  1. Follow the instructions from our How to Create a New SPF Record Guide.
  2. In the Value field, enter: v=spf1 include:sendgrid.net ~all and Save the TXT record.

Records for Subdomains

If you are creating a record for a subdomain, you will want to make sure that you specify the sub part of the domain in the Host/Name/Alias field for most DNS providers.

  1. Enter the sub part of the domain, for example if the subdomain is mail.mxtoolbox.com you would want to enter mail into that field.
 

SPF and DMARC Alignment

By default, SendGrid will set you up for sending using one of their domains for the return-path address. This domain will NOT pass SPF Alignment. At this time, this provider does NOT provide any mechanism that will allow SPF Alignment to pass. You need to enable DKIM for this provider to ensure your email will pass DMARC Compliance.

 

How to Enable DKIM for SendGrid

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

Whether you utilize a shared or dedicated IP, SendGrid automatically enables DKIM for all email to improve deliverability. To implement DKIM for the SendGrid platform, follow these steps:

  1. Publish two CNAME records for your custom domain at DNS host (Note: Sendgrid will provide these records to you).
    1. Sendgrid records currently use the following format:

      Host name: selector1._domainkey.<domain>

      Points to address or value:selector1-<domainGUID>._domainkey.<initialDomain> 

      TTL: 3600

      Host name: selector2._domainkey.<domain>

      Points to address or value:selector2-<domainGUID>._domainkey.<initialDomain> 

      TTL: 3600

  2. Enable DKIM signing for your custom domain in SendGrid

An example of enabling DKIM signing for your custom domain is as follows: New-DkimSigningConfig -DomainName yourdomain.com -Enabled $true

Moreover, an example of a SendGrid DKIM record with automated security enabled looks like:

subdomain.yourdomain.com. | CNAME | uXXXXXXX.wlXXX.sendgrid.net

s1.domainkey.yourdomain.com. | CNAME | s1.domainkey.uXXX.wlXXX.sendgrid.net.

s2.domainkey.yourdomain.com. | CNAME | s2.domainkey.uXXX.wlXXX.sendgrid.net.

As a user of this outbound email provider, SendGrid customers are afforded DKIM signing because it supports this mechanism. By utilizing SendGrid’s self-service portal, you can manually set up DKIM at your convenience via CNAME records mentioned above. Although this SendGrid product does not allow custom DKIM records to be implemented, it provides other beneficial components (e.g., DKIM signing, self-service set up with CNAME records) that result in a streamlined process.

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

This email provider allows its users to setup SPF via an include mechanism or a CNAME record. Based on your plan with the provider one of the two options may be more optimal.

 

DKIM

Supports DKIM Signing

Yes, this outbound email provider supports DKIM signing.

DKIM Setup via CNAME

This specific email provider relies on a CNAME record (or multiple records) for DKIM set up. Below is an example a typical  CNAME Record for setting up DKIM. The HOST section will typically contain a unique name followed by the domain name you are creating the record for (In the below "s1.domainkey" is the unique name followed by the domain of "yourdomain.com". The ADDRESS section will outline where mail receivers should look for a DKIM record for the domain. Both of these values are typically auto generated when you setup DKIM via an outbound email source.

HOST ADDRESS
s1.domainkey.yourdomain.com. s1.domainkey.uXXX.wlXXX.sendgrid.net.

 

No Custom DKIM records

This outbound email provider does not allow for any modification to the DKIM records they have provided to you.

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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