Set the AllowLegacyTLSClients parameter on the Set-TransportConfig cmdlet to True.If you need to utilize TLS 1.0/1.1 for SMTP AUTH to retain legacy clients and devices, you must opt-in by: Update the firmware on the device or try one of the other configuration options where TLS is optional. Your device must support TLS version 1.2 or above. Recently, we started rejecting a percentage of connections to that uses TLS1.0/1.1 for SMTP AUTH. If none of these issues apply to your device, it might not meet requirements for Transport Layer Security (TLS) encryption. Fix this issue so you can send email from your printer. If you can't connect to Microsoft 365 or Office 365, your network firewall or Internet Service Provider (ISP) might have blocked port 587 or 25. If you connected successfully to an Office 365 server, expect to receive a response line similar to the following response:Ģ20 Microsoft ESMTP MAIL Service ready at Mon, 12:00:00 +0000 Type open 587 (or substitute 25 for 587 if you're using that port setting instead). Run the tool from the command line by typing telnet. Next, test that you can connect to Microsoft 365 or Office 365 from your network by doing the following steps:įollow the instructions to install the Telnet Client tool on a computer on the same network as the device or application. If the user is blocked, see, Remove blocked users from the Restricted Users portal. Test the username and password by logging on to Outlook on the web, and try to send a test email to make sure the account isn't blocked. For this scenario, use Microsoft 365 or Office 365 SMTP relay instead. ![]() Otherwise, the result is an error similar to:ĥ.7.60 SMTP Client does not have permissions to send as this sender.įor example, if you entered login credentials for in your printer or application settings, but the printer tries to send email from then should have Send As permission for Otherwise, this configuration isn't supported. If the printer or application wants to send email from another account, the login account should have Send As permission for that account. Your printer or application must send email from the same email address that you entered as logon credentials during email setup. Direct send and Microsoft 365 or Office 365 SMTP relay don't require a logon consider one of these options instead. SMTP AUTH client submission requires your printer to sign in to Microsoft 365 or Office 365. If your printer didn't require a password for the username/email address that you entered, then your printer is trying to send email without logging on to Microsoft 365 or Office 365. Sign in credentials of Microsoft 365 or Office 365 mailbox the printer uses I set up my printer for SMTP AUTH client submission, but it still can't send emailĬheck the settings that were entered directly into the printer: Printer setting ![]()
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