
Make sure you use an email address that you have access to. You cannot add random email addresses in your email template. 2- You are using an invalid domainīy using a senders email address which domain name does not exist, is not registered, or it is expired. You will need DNS server access to be able to configure the SPF entry. The suggestion is to register a new domain or just using an existing domain that you have full control over. This could be considered a flag for phishing attempts which is an unwanted type of email traffic. Sending using or will not work because this domain names are not authorizing MailRush.io network.


In order to successfully start your campaign the Senders email needs to be from a domain name that you own. You are trying to send from an email address which domain is not of your property. This are a list of possible reasons your are getting SPF Failure: 1- You do not own the domain used in the senders email address There are a few reasons why your Email Template is resulting in failure for the SPF error. If the SPF record is not authorizing the SMTP server IP address or network then the receiving email service provider may flag the email as spam resulting it to ends in the junk box folder. Basically to reduce the risk of forged senders address in email, a form of fraud called phishing.Īll majors email providers, including G mail and Outlook, checks if the SPF record is including the network of the server sending the email.

To reduce spam and fraud emails it the main purpose of the SPF record.

Configure the SPF record at the DNS zone for the domain used in the sender’s email address. Why it is a requirement for the anti-spam check and how to authorize MailRush.io severs for Email Marketing Campaigns. It is a must to fix SPF record for your sending domain. MailRush.io anti-spam check may result in failure if the SPF for the email you are using is not allowing MailRush.io servers to send in their behalf.
