Avatar of sunaqua
sunaqua
 asked on

microsoft exchange server issue.

A mail got delivered to an unintended recipient from exchange even when not included in the TO list..what can be the reason?
Exchange

Avatar of undefined
Last Comment
sunaqua

8/22/2022 - Mon
chakko

Were they in a BCC list?  
Check the SMTP headers and or Message Tracking logs to see how the email was delivered.
Vishal Breed

If user/mailbox owner has not sent that emails,

1> Somebody else might have sent the email from that mailbox (sharing passwords)

2> A few viruses can do this. They pickup any address from the address book and sends emails out through email gateway configured on system (applicable to Outlook express, Outlook - applications where SMTP address is mentioned)
 
To verify both options, you need to check Message Headers!
sunaqua

ASKER
how to check the message headers in the exchange ..please help..BCC is not used.
SMTP headers . how to check??
Your help has saved me hundreds of hours of internet surfing.
fblack61
Vishal Breed

Please refer image result search http://images.google.co.in/images?hl=en&q=internet+header&oq=&um=1&ie=UTF-8&ei=l6KDS4q4EYvW7AOR1d1G&sa=X&oi=image_result_group&ct=title&resnum=4&ved=0CBgQsAQwAw&safe=active

If email is delivered within Exchange Orgnization, right click on that email in Outlook; select options and check "Internet Header Section". Please read it from bottom to top.
ASKER CERTIFIED SOLUTION
Vishal Breed

THIS SOLUTION ONLY AVAILABLE TO MEMBERS.
View this solution by signing up for a free trial.
Members can start a 7-Day free trial and enjoy unlimited access to the platform.
See Pricing Options
Start Free Trial
GET A PERSONALIZED SOLUTION
Ask your own question & get feedback from real experts
Find out why thousands trust the EE community with their toughest problems.
sunaqua

ASKER
i am unable to check the issue, hence i dont want to comment. it was offcourse helpful with the ideas.