Failed SMTP Authentication - TOSHIBA e-STUDIO255

Question

I do have TOSHIBA e-STUDIO255 and i have configured scan to email option. about one week it's worked perfectly but now it's keep giving me this error "Failed SMTP Authentication". i have not change any settings on printer. smtp settings as follows.

SMTP client:

Enable SMTP Client              : Enable  
Enable SSL                      : Accept all certificates without CA  
SSL/TLS                         : STARTTLS  
SMTP Server Address             : smtp.gmail.com  
POP Before SMTP                 : Disable  
Authentication                  : Login  
Login Name                      : [email protected]  
Maximum Email / InternetFax Size: 30 MB  
Port Number                     : 25  
SMTP Client Connection Timeout(1-180) : 30 Seconds 

SMTP server:

Enable SMTP Server    : Enable  
Port Number           : 25  
Email Address         : [email protected]  
Enable OffRamp Gateway: Disable  
OffRamp Security     : Enable  
OffRamp Print        : Enable  

Can anyone help me on this?

Solution

In my experiance with toshibas/any copier, you should setup a local MTA (postfix on a vm, raspberry pi, whatever), use the pi as a smarthost relay to gmail,

Another option is to put them behind the print server (no idea how your network is setup) and install smtp relay on the windows server (iis smtp work but others exist).

If PCI/HIPPA is involved you likely need that unit upgraded or replaced to scan PIAA over your network since only TLSv1.1 and 1.2 satisfy their latest desires.

But this is why it doesn't work: http://www.infoworld.com/article/3071171/security/google-to-shutter-sslv3-rc4-from-smtp-servers-gmail.html

This is why the company I worked for built an email server just for the copiers they sold.

SMTP Server or Client

you should use one or the other, either be your own MTA and send email (which might make it an open relay on your localsubnet) or be a client, I would suggest client and the postfix relay option.

Comments

[RonanW.]

Since you don't have access to gmail.com logs, I would suggest two things. First, log to gmail.com account ([email protected]), look for any mailbox quota warnings, change your password and update password in Toshiba smtp client settings. If that doesn't help, use different account for authentication, it can be another gmail.com address or better, email on different domain. If that doesn't produce results, contact Toshiba support and let them check for issues on device itself.

[Jacob Evans]

seeing as there is supporting info as to why this could be an issue, I'm not sure why it was downvoted. googleappsupdates.blogspot.ro/2016/05/…

[Jacob Evans]

good point, he shouldn't be using 25 for client connections, it should be 587.