OkGoogled for one second : https://wpforms.com/best-wordpress-smtp-plugins/
The 3rd party services that this works with all want me to add DKIM and DMARC DNS settings to my domain, but they are already set to Microsoft 365 and my understanding is you cannot have multiple DKIM and DMARC records on the domain.WP Mail SMTP is highly recommended. Its paid version features are really good.
The 3rd party services that this works with all want me to add DKIM and DMARC DNS settings to my domain, but they are already set to Microsoft 365 and my understanding is you cannot have multiple DKIM and DMARC records on the domain.We usually recommend wp mail smtp by wpforms
The answer is yes and no.and my understanding is you cannot have multiple DKIM and DMARC records on the domain.