Thank you for your continued use of our products. Microsoft announced that Exchange Online will permanently remove support for Basic authentication with Client Submission (SMTP AUTH) gradually beginning on: March 1st 2026.
Google announced end of support for less secure apps on April 29th 2025, taking effect on May 1, 2025. See their official update on the Google Workspace Updates page.
After these dates, sending emails via SMTP in Exchange Online or Gmail (Google Workspace) will require authentication using OAuth 2.0.
We would like to inform you about the affected features of our products (MFPs/printers), and the schedule for releasing firmware updates which support OAuth 2.0 authentication.
AFFECTED FEATURES
After the discontinuation of Basic Authentication, the following email transmission functions will no longer be available and may result in errors, if your device is configured to use Exchange Online or Gmail’s SMTP server.
*For Product Groups refer to List of Affected Products below.
| Product Groups* | Affected Features |
|---|---|
| ＃1, ＃2, #3 | Scan to E-mail, Scan to Me, Scan to URL (Product #3: not supported), E-mail sending from a User Box, E-mail sending from the OpenAPI/IWS application Internet Fax TX |
| Integration with a fax server (RightFax etc.) | |
| Forward TX, TSI Routing | |
| TX Result Report Print | |
| Status Notification Setting, URL notification setting, Total Counter Notification Setting | |
| #4, #5, #7 | Scan to E-mail, Fax Data Mail transmission, E-mail notifications |
| #6 | Scan to E-mail, Scan job E-mail Report, Fax Data Mail transmission, Relay Delivery function, E-mail notifications |
| #9 | Scan to E-mail, E-mail notifications |
PLANNED RESPONSE
Firmware updates supporting OAuth 2.0 authentication will be released sequentially starting from July 2025. Please refer to the Countermeasure Firmware column in “List of Affected Products”, and update each device accordingly.
For the release date of the countermeasure firmware, please refer to the "Release Schedule" column in the "List of Affected Products ". After updating the firmware, follow the instructions in the relevant setup guide to configure OAuth 2.0 authentication.
| Product Groups* | OAuth 2.0 Setup Guide |
|---|---|
| ＃1 | Setup Guide #1 (PDF) |
| ＃2 | Setup Guide #2 (PDF) |
LIMITATIONS AND NOTES
Refresh tokens can only be obtained via the administrator settings on the device panel. Obtaining refresh tokens via Web Connection is not supported due to technical limitations. (Product #1,#2)
LIST OF AFFECTED PRODUCTS
The list of affected products and the countermeasure firmware are as follows:
| Product Group | Product Name | Release Schedule | Version |
|---|---|---|---|
| #1 | ineo+ 360i/300i/250i | 2025/7 | F232-G00-S7(00) |
| ineo+ 4050i/3350i | |||
| ineo+ 3320i | |||
| ineo+ 4000i/3300i | |||
| ineo 306i/266i/246i/226i | |||
| ineo+ 650i/550i/450i | |||
| ineo+ 750i | |||
| ineo 750i | |||
| ineo 650i/550i/550i | |||
| ineo 360i/300i | |||
| ineo 4750i/4050i | |||
| ineo 4700i | |||
| ineo+ 287i/286i/266i/257i/227i/226i | |||
| ineo 950i/850i | |||
| ineo+ 361i/301i/251i | |||
| ineo+ 651i/551i/451i | |||
| ineo+ 751i | |||
| ineo 361i/301i | |||
| ineo 651i/551i/451i | |||
| ineo 751i | |||
| ineo+ 4051i/3351i | |||
| ineo+ 3321i | |||
| ineo+ 4001i/3301i | |||
| ineo+ 4751i | |||
| ineo 4751i/4051i | |||
| ineo 4701i | |||
| #2 | ineo 367/287/227 | 2025/7 | F000-G00-YE(00) |
| ineo+ 368/308/258 | |||
| ineo+ 287/227 | |||
| ineo 306/266 | |||
| ineo 758/808 | |||
| ineo 958 | |||
| ineo+ 658/558/458 | |||
| ineo+ 266/226 | |||
| ineo 558/458/368/308 | |||
| ineo+ 3851/3351 | |||
| ineo+ 3851FS | |||
| ineo 4752/4052 | N/A | ||
| ineo+ 759/659 | 2025/7 | F000-G00-YE(00) | |
| ineo 368e/308e | |||
| ineo 658e/558e/458e | |||
| #3 | ineo 4750/4050 | N/A | |
| ineo+ 3110/3100P | N/A | ||
| ineo+ 754e/654e | N/A | ||
| ineo 654e | N/A | ||
| #4 | ineo 226/206 | N/A | |
| ineo 225i | 2025/11 | ||
| ineo 205i | 2025/11 | ||
| ineo 227i | 2025/9 | ||
| #5 | ineo+ 3120i | 2025/7 | |
| ineo+ 3100i | 2025/7 | ||
| #6 | ineo 4020i | 2025/10/M | |
| ineo 4000i | 2025/10/M | ||
| ineo 5020i | 2025/10/M | ||
| ineo 5000i | 2025/10/M | ||
| #7 | ineo 4700P/3301P/4000P | N/A | |
| ineo 4702P/4402P/3602P | Under planning | ||
| ineo 4422/3622 | Under planning | ||
| ineo 4020/3320 | N/A | ||
| #9 | ineo 165/165e | N/A | |
| ineo 185/185e | N/A | ||
| ineo 185en | Under planning | ||
| ineo 165en | Under planning |
For devices marked as N/A under Release Schedule and devices not listed, no firmware update is planned. Please use the workaround described as below.
WORKAROUNDS
*For Product Groups refer to List of Affected Products.
| Product Groups* | Affected Features | Workaround 1 | Workaround 2* |
|---|---|---|---|
| ＃1,＃2, #3 | Scan to E-mail, | Use scan to other than E-mail. (Scan to SMB, Home, FTP, WebDAV, BOX) | |
| Internet Fax TX | Use IP Address Fax, IP Fax (SIP), G3 Fax | * Use mail services other than Exchange Online/Gmail or * Configure an App Password for use with Gmail. | |
| Integration with a fax server (RightFax etc.) | Register and use applications other than email | ||
| Forward TX, TSI Routing | Redirect to other than E-mail | ||
| TX Result Report Print | Print on paper | ||
| Status Notification Setting, URL notification setting, Total Counter Notification Setting | No workaround | ||
| #4, #5, #6, #7, #8, #9 | No workaround | * Use mail services other than Exchange Online/Gmail or * Configure an App Password for use with Gmail. |
*Workaround 2:
For more information about Microsoft Exchange Online’s discontinuation of Basic Authentication and available alternatives, please refer to this link.
For more information about Google Workspace control access to less secure apps and alternatives to less secure apps, please refer to this link.
CONTACT INFORMATION
For any inquiries regarding this matter, please contact our support team.