Postfix only allow whitelisted Recipient Domain
In this tutorial, How to Configure "Postfix only allow whitelisted Recipient Domain". We test environment with user data. To minimize the risk of sending to unwanted email recipients.
Step 1: Add line into main.cf file as below
Step 2: To create recipient domain is the whitelist file
Step 3: To generate hash file:
Step 4: To restart postfix service
You will find error something like that as below:
Step 1: Add line into main.cf file as below
smtpd_recipient_restrictions = check_recipient_access hash:/etc/postfix/recipient_domains, rejectNote: Warring /etc/postfix/recipient_domains, reject , Allow receive email in recipient_domain, and REJECT All domain not in whitelisted domain.
Step 2: To create recipient domain is the whitelist file
mycompany.com OKNote: only two domain mycompany.com and mail.huuphan.com receive mail
mail.huuphan.com OK
Step 3: To generate hash file:
$ sudo postmap /etc/postfix/recipient_domains
Step 4: To restart postfix service
$ sudo /etc/init.d/postfix restartNow to try sending an email to a another domain not in whitelist.
You will find error something like that as below:
NOQUEUE: reject: RCPT from …: 554 5.7.1 <[email protected]>: Recipient address rejected: Access denied
how to configure in zimbra multi server
ReplyDeletesudo postmap /etc/postfix/recipient_domains
postmap not found