With help of Gmail we can find IP ADDRESS of the sender.for this follow the instructions
Step 1 :- Open the mail (which the sender's IP address you need)
Step 2 :- Click on more button
Step 3 :- A drop option will come select SHOW ORIGINAL
Step 1 :- Open the mail (which the sender's IP address you need)
Step 2 :- Click on more button
Step 3 :- A drop option will come select SHOW ORIGINAL