How do I make sure that my fax is delivered successfully? iFax Support December 28, 2017 09:54 Updated Follow You will be able to see a delivered stamp below your fax once the fax is delivered successfully. You will also receive a push notification and an optional email from upon successful delivery. -iFax Related articles How do I cancel an auto-renewal subscription? How do I send a fax? How can I receive my faxes as a PDF email attachment? How many credits do I need to send a fax? What happens to my credits if a fax fails? Comments 1 comment Sort by Date Votes Sewen Thy November 12, 2018 01:09 Hi, how long will it stay in "Sending" state? 0 Permalink Please sign in to leave a comment.