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1.1. Common SPF Additions
Krack Media manages the DNS for most of our clients. The following are "includes" in the SPF record of the commonly used paid email systems as well as some other systems that will send email on the client's behalf.
Business Class by Krack Media
include:emailsrvr.com
SMTP.com
include:_spf.smtp.com
Forward Email
include:spf.forwardemail.net
Proofpoint Essentials
a:dispatch-us.ppe-hosted.com
Office 365 (Exchange Online)
include:spf.protection.outlook.com
Gmail / GSuite
include:_spf.google.com
CampMinder
include:spf.campminder.com
Zix Mail
include:spf.zixport.com
Constant Contact
include:spf.constantcontact.com
Mailchimp
include:spf.mandrillapp.com
SendGrid
include:sendgrid.net
MX Guardian
include:spf.mxguardian.net