Non-Encrypted SMTP Server For Use With dataTaker And Other Devices

CLEVELAND - Sept. 13, 2021 - PRLog -- Several of our data logger lines can send emails for both alarming and data transfer. Most of these devices require a non-encrypted SMTP server to send these emails.

The easiest to use non-encrypted service that we at CAS Dataloggers have found is SMTP2GO. This site offers a free service that provides 1000 free emails a month. When signing up for this service, the website ( shows this as a trial, but there is no time limit, just a limit on the number of emails that can send. You just need an email and a password.

Once you enter an email and a password, you will get an email with a link to click to verify the email. You'll be able to log into the account and finish setup which will require you to either use the SMTP password provided or create a new one.

Here are the settings for the dataTaker (or other loggers) to use SMTP2GO:
  • SMTP Server:
  • Username: (Email address used to set up SMTP2GO account)
  • Password: (Your chosen password. Not the password that is used to log into SMTP2GO)
  • Port: 2525 (SMTP2GO offers several ports. 2525 seems to be the most reliable)

Configuration of a dataTaker DT8X Series Logger:

There are 2 pieces of software that can be used to access a dataTaker DT8X series logger. There is a version that runs under Adobe Air called dEX Desktop and one that does not require any Adobe runtimes called dEX 2.0.

dEX Desktop

To access this screen, after connecting to the logger, click on "Configure the logger" and then click on the DT8X label at the top of the program column, which will take you to the settings window.

Click on the menu item "Ethernet Email."

Enter the settings as detailed above in the appropriate text boxes.

Once these changes have been made, you will need to save the program to the logger by clicking on "File" and choosing "Save to Logger"

dEX 2.0

In dEX 2.0, once again, you will need to establish a connection with the dataTaker. Once the connection is established, you will need to click on the "Settings" icon, and then choose the "Communication" tab.

Under the "Communication" tab, select "Ethernet"

As stated above, enter the proper information into the "Email Settings" fields and click "Apply." The settings will have been made on the logger, and you can then use email as either an alarm action or to send data.

For further information on using a Non-Encrypted SMTP Server with a dataTaker or other data logger device, or to find the ideal solution for your application-specific needs, contact a CAS Data Logger Application Specialist at (800) 956-4437 or visit us at

CAS DataLoggers
Elizabethe Zala
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