Does OnMail have calendar integration? Jonathan April 27, 2021 06:29 Updated Calendar integration is not supported at this time, but we'll be adding support for this in the future, so stay tuned! Related articles How do I forward emails from my other email accounts to my OnMail account? How do I connect my OnMail address to a third-party email app? On which devices can I use OnMail? What are OnMail Nudges? Can I sign up for firstname.lastname@example.org if johnsmith@onmail is taken? Comments 0 comments Article is closed for comments.