Single-Function: Lexmark SFP Devices Released in the Year 2016 up to the Latest
Multifunction: Lexmark MFP Devices Released in the Year 2016 up to the Latest
Unable to send an email using the Gmail SMTP Server and multiple errors like -7 or invalid credentials appear in the logs.
How to Setup Gmail SMTP Server with App Password
Note: 2FA (2 Factor Authentication) will not work with the SMTP server setup for Lexmark devices.
Make sure to use the following settings in the Email Setup of the Printer.
SMTP Gateway: smtp.gmail.com
Primary SMTP Port: 465
Secondary SMTP Gateway: leave it blank
Secondary: leave it blank
Use SSL/TLS: Required
Require Trusted Certificate: Uncheck (Note: this option is checked by default)
SMTP Server Authentication: Login/Plain
User-Initiated Email: Use Device SMTP Credentials
Device User ID: End users email address for Gmail
Password: Follow the instructions found in this link to create an App Password for the printer.
Still Need Help?
Have the following available when calling Lexmark Technical Support;
- Printer model(s)
- Printer serial number