DomainKey Library and Implementor's Tools. The SPF Setup Wizard. Form based record testers E-mail based record testers We provide an e-mail based record tester. Send an e-mail to spf-test@openspf.net. Your message will be rejected (this is by design) and you will get the SPF result either in your MTA mail logs or via however your MTA reports errors to message senders (e.g. a bounce message). This is done to avoid the risk of backscatter from the tester. This test tests both MAIL FROM and HELO and provides results for both.It uses the Python SPF (pySPF) library, which is fully compliant with the SPF specification. Form based TXT record viewer For implementors Test Suite - not a tool like others on this page, but maybe what you are looking for. The retired SPF record wizard For a long time we had a wizard utility (at to assist domain owners with creating SPF records for their domains. For this reason the wizard has been taken down.
Bulk Senders Guidelines - Gmail Help. The guidelines in this article will help you successfully send and deliver email to people who have personal Gmail accounts. This article was previously called Bulk sender guidelines. Important: Starting November 2022, new senders who send email to Google Gmail accounts must set up either SPF or DKIM. Learn more. Following the recommendations in this article helps ensure that your messages are successfully delivered to Gmail accounts. These recommendations help prevent Gmail from limiting sending rates, blocking messages, and marking messages as spam. These guidelines are for anyone who sends email to Google Gmail accounts.
A Gmail account can be any one of these account types: A personal Gmail account that ends in @gmail.com or googlemail.com A work or school Gmail account from Google Workspace. Google Workspace: If you use a Google Workspace account to send large volumes of email, review the Spam and abuse policy in Gmail. In this article Issues not solved in this article Spam rate.