PART-F: Email Access Control (You may select another partner for this exercise)

24. Establish access control in Central Mail Server to block your partner email by rejecting mails from your partner IP and check if you can receive email from your lab partner and similarly check if your email is able to be sent to your lab partner

SCREENSHOT the following from Montreal and Toronto,

1. Display the entries to reject email in the relevant configuration file.

2. grep the messages related to the rejections of both incoming and outgoing in mail log file

3. List and Display the undelivered message due to access control

i already posted part A & B,C,D & E separately this is part F, i need commands and steps for each part. please help me, thanks.

mentioning the names of parts: (for reference)

PART-A : CENTRAL MAIL SERVER and REMOTE HOST/System configuration

PART-B: MAIL REDIRECTION

PART-C: Restricting emails.

PART-D: Emailing to a user not in system

PART-E: Email Colloboration

PART-F: Email Access Control