Notice Regarding Impact on KONICA MINOLTA Products and Response due to Discontinuation of Basic Authentication for SMTP in Microsoft Exchange Online / Google Workspace
July 18, 2025
Notice Regarding Impact on KONICA MINOLTA Products and Response due to Discontinuation of Basic Authentication for SMTP in Microsoft Exchange Online / Google Workspace
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 this date, 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, |
Internet Fax TX | |
Integration with a fax server (RightFax etc.) | |
Forward TX, | |
TX Result Report Print | |
Status Notification Setting, | |
#4, #5, #7 | Scan to E-mail, |
#6 | Scan to E-mail, |
#9 | Scan to E-mail, |
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 | |
＃2 |
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 | Countermeasure Firmware | |
|---|---|---|---|
Release Schedule | Version | ||
#1 | bizhub C360i/C300i/C250i | 2025/7 | F232-G00-S7(00) |
bizhub C4050i/ C3350i | |||
bizhub C3320i | |||
bizhub C4000i/C3300i | |||
bizhub 306i/266i/246i/226i | |||
bizhub C650i/C550i/C450i | |||
bizhub C750i | |||
bizhub 750i | |||
bizhub 650i/550i/550i | |||
bizhub 360i/300i | |||
bizhub 4750i/4050i | |||
bizhub 4700i | |||
bizhub C287i/C286i/C266i/C257i/C227i/C226i | |||
bizhub 950i/850i, | |||
bizhub C361i/C301i/C251i | |||
bizhub C651i/C551i/C451i | |||
bizhub C751i | |||
bizhub 361i/301i | |||
bizhub 651i/551i/451i | |||
bizhub 751i | |||
bizhub C4051i/C3351i | |||
bizhub C3321i | |||
bizhub C4001i/C3301i | |||
bizhub C4751i | |||
bizhub 4751i/4051i | |||
bizhub 4701i | |||
#2 | bizhub 367/287/227 | 2025/7 | F000-G00-YE(00) |
bizhub C368/C308/C258/C7930/C225DN | |||
bizhub C287/C227 | |||
bizhub 306/7228/266 | |||
bizhub 758/808 | |||
bizhub 958 / bizhub PRO 958 | |||
bizhub C658/C558/C458 | |||
bizhub C266/C256/C226 | |||
bizhub 558/458/368/308 | |||
bizhub C3851/C3351 | |||
bizhub C3851FS | |||
bizhub 4752/4052 | N/A | ||
bizhub C759/C659 | 2025/7 | F000-G00-YE(00) | |
bizhub 368e/308e | |||
bizhub 658e/558e/458e | |||
#3 | bizhub 4750/4050 | N/A | |
bizhub C3110/C3100P | N/A | ||
bizhub C754e/C654e | N/A | ||
bizhub 654e | N/A | ||
#4 | bizhub 226/246/236/216/7223/206 | N/A | |
bizhub 225i/215i/7121i/245i | 2025/11 | ||
bizhub 205i | 2025/11 | ||
bizhub 247i/7323i | 2025/9 | ||
bizhub 227i/7321i | 2025/9 | ||
bizhub 207i | 2025/9 | ||
#5 | bizhub C3120i | 2025/7 | |
bizhub C3100i | 2025/7 | ||
#6 | bizhub 4020i | 2025/10/M | |
bizhub 4000i | 2025/10/M | ||
bizhub 5020i | 2025/10/M | ||
bizhub 5000i | 2025/10/M | ||
#7 | bizhub 4700P/3301P/4000P | N/A | |
bizhub 4702P/4402P/3602P | Under planning | ||
bizhub 4422/3622 | Under planning | ||
bizhub 4020/3320 | N/A | ||
#8 | bizhub 3000MF | N/A | |
bizhub 3080MF | N/A | ||
bizhub 2600P | N/A | ||
#9 | bizhub 165/165e, pagepro 6180e | N/A | |
bizhub 185/185e | N/A | ||
bizhub 7818/7818e | N/A | ||
bizhub 185en/7818en | Under planning | ||
bizhub 165en, pagepro 6180en | 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. |
|
Internet Fax TX | Use IP Address Fax, IP Fax (SIP), G3 Fax | ||
Integration with a fax server (RightFax etc.) | Register and use applications other than email | ||
Forward TX, | Redirect to other than E-mail | ||
TX Result Report Print | Print on paper | ||
Status Notification Setting, | No workaround | ||
#4,#5,#6,#7,#8, #9 | No workaround |
|
*Workaround 2:
For more information about Microsoft Exchange Online’s discontinuation of Basic Authentication and available alternatives, please refer to the following links: https://techcommunity.microsoft.com/blog/exchange/exchange-online-to-retire-basic-auth-for-client-submission-smtp-auth/4114750?topicRepliesSort=postTimeDesc
For more information about Google Workspace control access to less secure apps and alternatives to less secure apps, please refer to the following links: https://support.google.com/a/answer/6260879
Contact Information
For any inquiries regarding this matter, please contact our support team.