Sage Intacct is capable of sending DMARC compliant email because they support custom SPF configurations that achieve DMARC alignment. Intacct is a Financial and Accounting Platform and is often used by Accounting and Finance teams.
The link just below is a resource on how to configure this source to send SPF-aligned email on your behalf. You will complete this configuration by (1) following the source's instructions and (2) adding the required entries into your DNS. https://www-p03.intacct.com/ia/docs/en_AU/help_action/Company/Company_setup/Company_Information/Security/company-email-sender-domain-settings.htm?cshid=CO_email_sender