Make sure that all sending IPs are added to the SPF record. You need to copy the SPF record from the wizard and apply it to your DNS as a TXT record. If your DNS records are administered by your ESP or if you are unsure, contact your IT department for support. They may provide a simple process for making the updates through their support site or team. If you are using a hosting provider, such as a 123-reg or GoDaddy, you should contact them. Therefore, you must publish your SPF to the DNS server for your domain. In order for mailbox providers receiving servers to check your SPF record, it must be publicly visible. Publish your SPF to the Domain Name System (DNS) for your sending domains.provides a great wizard for generating SPF records. It’s recommended that you separate corporate email from bulk marketing email on to a different sending domain and IP address in order to reduce the risk of corporate email encountering deliverability problems. If you use the same domain for your email campaigns that you do for your corporate email, check with your IT department and get the IP addresses used for your corporate email. If you have an in-house system, speak to your system administrator or email administrator. If you use an Email Service Provider (ESP), ask them for your sending IP addresses. Determine the IP addresses that are used to send the emails.Determine the domains that you use to send your email campaigns.
Use the steps below to authenticate your email using SPF: As an example, if you receive an email from from a server with an IP address 200.100.00.1, the SPF check asks the domain if the IP address 200.100.00.1 should be allowed to send email on its behalf.
SPF checks look at the MailFrom (MFrom) domain to determine if the sending IP address is authorized. It is a great way for mailbox providers to detect forged email. SPF records are examined when mailbox providers check to see if the email-sending server was authorized to do so by your sending domain. Brands sending email publish SPF records in the Domain Name System (DNS) and list which IP addresses are authorized to send email on behalf of their domains. Sender Policy Framework (SPF) is an email authentication protocol that allows the owner of a domain to specify which mail servers they use when sending email from that domain.
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