SMTP2GO is capable of sending DMARC compliant email because they support custom SPF and DKIM configurations that achieve DMARC alignment. SMTP2GO is a an Email Delivery Platform, capable of sending a variety of email types and is often used by Marketing, Product or Application Development teams.
The link just below is a resource on how to configure this source to send DKIM-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://support.smtp2go.com/hc/en-gb/articles/115004408567-Sender-Domains
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://support.smtp2go.com/hc/en-gb/articles/115004408567-Sender-Domains