WPO365 | MAIL version 20 makes is possible to send WordPress with attachments larger than 3 MB using Microsoft Graph. It also enables support to send WordPress emails from a Microsoft 365 Shared Mailbox.
WPO365 | MAIL is the premium extension that enhances WPO365’s ability to send WordPress emails using Microsoft Graph (instead of SMTP). It can be installed in combination with the free plugins WPO365 | MICROSOFT GRAPH MAILER (a stand-alone mail-send function for WordPress) and WPO365 | LOGIN (a comprehensive solution to connect WordPress and Azure AD / Microsoft 365 services).