![Microsoft Plans to Disable SMTP Authenticated Submissions in Exchange Online | Petri IT Knowledgebase Microsoft Plans to Disable SMTP Authenticated Submissions in Exchange Online | Petri IT Knowledgebase](https://petri-media.s3.amazonaws.com/2019/12/Authenticated-SMTP-User.jpg)
Microsoft Plans to Disable SMTP Authenticated Submissions in Exchange Online | Petri IT Knowledgebase
![Fix issues with printers, scanners, and LOB apps that send email using Microsoft 365 - Exchange | Microsoft Learn Fix issues with printers, scanners, and LOB apps that send email using Microsoft 365 - Exchange | Microsoft Learn](https://learn.microsoft.com/en-us/exchange/troubleshoot/exchangeonline/email-delivery/media/fix-issues-with-printers-scanners-and-lob-applications-that-send-email-using-off/multifunction-printer-uses-mx-endpoint.png)
Fix issues with printers, scanners, and LOB apps that send email using Microsoft 365 - Exchange | Microsoft Learn
![IMAP, SMTP, Outlook | Configure Outlook to access Office 365 mailbox using IMAP and SMTP | o365info.com IMAP, SMTP, Outlook | Configure Outlook to access Office 365 mailbox using IMAP and SMTP | o365info.com](https://o365info.com/wp-content/gallery/Configure-Outlook-to-access-Office-365-mailbox-using-IMAP-and-SMTP/Connecting-Outlook-to-Office-365-mailbox-using-IMAP-and-SMTP-port-number-01.jpg)
IMAP, SMTP, Outlook | Configure Outlook to access Office 365 mailbox using IMAP and SMTP | o365info.com
![IMAP, SMTP, Outlook | Configure Outlook to access Office 365 mailbox using IMAP and SMTP | o365info.com IMAP, SMTP, Outlook | Configure Outlook to access Office 365 mailbox using IMAP and SMTP | o365info.com](https://o365info.com/wp-content/gallery/Configure-Outlook-to-access-Office-365-mailbox-using-IMAP-and-SMTP/onnecting-Outlook-to-Office-365-mailbox-using-IMAP-and-SMTP-12.jpg)