SMTP Quick Mail Test

Type HELO then hit Return. SMTP server should reply with something like: 250 OK.

 

Type MAIL FROM: <your_email_addr> then hit Return. Replace your_email_addr with your real email address.

 

SMTP server should reply with something like: 250 OK - mail from <your_email_addr>.

 

Type RCPT To: <your_email_addr> then hit Return. SMTP server should reply with something like: 250 OK - Recipient <your_email_addr>

 

Type DATA then hit Return. SMTP server should reply with something like: 354 Send data. End with CRLF.CRLF

 

Type test then hit Return. Type . then hit Return, i.e. type a period symbol then hit Return. SMTP server should reply with something like: 250 OK

 

Type QUIT then hit Return. SMTP should say something like 221 closing connection.

 

Exit telnet

 

Quick TLS check on a mail system to see if it will accept TLS (Transport Layer Security) communication.

 

1. Telnet mail.asupport.com 25

2. HELO  or ehlo

3. STARTTLS     or   starttls

 

Script to check e-mail outbound to echo service of an ISP.

 

rem @ECHO OFF

rem change dir

C:

cd \mailout

 

rem create temp msg file with computer name

echo Sending Mail from %computername% for SMTP Outbound Check > mail.txt

 

rem add the date to mail.txt

date /t >> mail.txt

time /t >> mail.txt  

 

rem send the mssmsg

mapisend -u myuserid -p mypassword -r echo@uk.psi.com -s "SMTP Outbound e-mail check" -t C:\mailout\mail.txt -f C:\mailout\mail.txt

 

 


SMTP Mail testing

 

Destination SMTP server: 

1. telnet mail.contoso.com 25

2. ehlo

3. MAIL FROM:steve@contoso.com

4. RCPT TO:john@contoso.com

5. DATA

6. Subject: Test from Steve 18:34

7. Enter 

8. This is a test message

9. .    Full stop