error sending email to gmail users

[financeiro2]

we have email domains from godaddy and when registering the DNS in cloudfare sending emails to gmail users does not work anymore the error displayed is

"sender and Gmail users, and has been blocked. The sender must
550-5.7.26 authenticate with at least one of SPF or DKIM. For this message,
550-5.7.26 DKIM checks did not pass and SPF check for [monefy.com.br] did not
550-5.7.26 pass with ip "

[epic.network]

Welcome to the Cloudflare Community.

The following Community Tutorial is a good place to start.

How to prevent your emails from going to spam

As a website admin, you will likely be sending out emails to your customers or visitors for newsletters, account notifications, product updates, etc. Depending on the circumstances, you might start noticing your emails are ending up in customers’ spam/junk folders instead of their email inbox. This issue can be caused by a few things, and I’ll go into detail for each: Misconfigured DNS/absence of necessary records Poor domain reputation FAQ Misconfigured DNS/absence of necessary records For…