We are aware of an issue where some customers are not receiving emails from McGraw Hill, including verification codes and other system-generated messages. This issue primarily affects recipients using Microsoft Office 365 (O365)–hosted school or institutional email addresses.Our teams have identified that this issue is related to an ongoing Microsoft O365 service disruption that is impacting email delivery from external senders, including McGraw Hill. Our engineering and operations teams are actively monitoring the situation and working closely with Microsoft as they investigate and resolve the underlying issue.
Last update on
Update - We are continuing to investigate the earlier issue. While email services appear to have been restored and messages are now being sent, some users may still experience degraded performance. Our team is actively monitoring the situation to ensure full stability. Further updates will be provided as more information becomes available. If you require immediate assistance, please contact our Support Team via phone at +1 866 658 2221. Updates for this issue will be sent every 4 hours or if there are significant updates, whichever comes first. Jan 23, 2026 - 12:27 UTC
Last update on
Monitors
OpenText
Houghton Mifflin Harcourt
StatusGator