Verify SMTP configuration from Cmd Prompt using TELNET
NOTE: Type the commands to be entered in notepad and then copy paste it. Using Backspace/Delete/Insert/Editing in Cmd prompt creates incorrect result.
Step 1:At command prompt, type: telnet <smtp_Server> <port>
Ex: telnet mail.mailserver.com 25
Ex: telnet mail.mailserver.com 25
Step 2:Type EHLO , and then press ENTER.
Goto Step 6, if Authentication is not required:
Goto Step 6, if Authentication is not required:
Step 3:Type AUTH LOGIN. The server responds with an encrypted prompt for your user name.
Step4:Enter your user name encrypted in base 64. You can use one of several tools that are available to encode your user name.
Step 5:The server responds with an encrypted base 64 prompt for your password. Enter your password encrypted in base 64.
Step 6:Type MAIL FROM:, and then press ENTER. If the sender is not permitted to send mail, the SMTP server returns an error.
Step 7:Type RCPT TO:,and then press ENTER.If the recipient is not a valid recipient or the server does not accept mail for this domain, the SMTP server returns an error.
Step 8:Type DATA.
Step 9:If desired, type message text, press ENTER, type a period (.), and then press ENTER again.
If mail is working properly, you should see a response similar to the following indicating that mail is queued for delivery:
250 2.6.0 myuserid@mydomain.com
Step4:Enter your user name encrypted in base 64. You can use one of several tools that are available to encode your user name.
Step 5:The server responds with an encrypted base 64 prompt for your password. Enter your password encrypted in base 64.
Step 6:Type MAIL FROM:, and then press ENTER. If the sender is not permitted to send mail, the SMTP server returns an error.
Step 7:Type RCPT TO:,and then press ENTER.If the recipient is not a valid recipient or the server does not accept mail for this domain, the SMTP server returns an error.
Step 8:Type DATA.
Step 9:If desired, type message text, press ENTER, type a period (.), and then press ENTER again.
If mail is working properly, you should see a response similar to the following indicating that mail is queued for delivery:
250 2.6.0 myuserid@mydomain.com
New to ADSelfService Plus?
Related Articles
What to do when SMTP mail configuration fails?
This article is about troubleshooting failure of SMTP mail configuration: 1.) Verify SMTP configuration from Command Prompt using TELNET. How to run Telnet test? Open command prompt with Admin permission and type: telnet <smtp_Server> <port> ...Memory Usage Calculation (Linux- Telnet/SSH)
Total Memory Utilization Calculation: Linux Monitoring: Telnet/SSH For memory usage calculation using 'free -m' command. Sample command output: root@root:~$ free -m total used free shared buff/cache ...How can I troubleshoot the issue when attempting to add a PostgreSQL Database server, but encountering a failure with an error message prompt?
While attempting to add a PostgreSQL database monitor, if you encounter any errors, please follow the steps below based on the specific error received: Host not valid. Kindly check the host name given or PostgreSQL production server is down or The ...Not able to add device in TELNET MODE.
Problem :- I'm not able to add device using TELNET Mode. Receives Authentication Failed Error. Solution :- Check customer is able to login to the target server using putty. Get the putty login message as snapshot. Check the login prompt which is ...I cannot add remote server monitor using SSH password authentication.
Please follow our suggestions below, 1) When adding that server monitor , please specify the correct command prompt value, which is the last character in your command prompt after connecting to that server with that appropriate username Connect to ...