Anyone having some issues with their spam filter utilizing Barracuda's RBL? Came into the office today with some reports of email of email being blocked. Checked the logs and I was getting this for every email (not just the one pasted here):
Code:
Jul 30 07:51:52 pfsense postfix/smtpd[97565]: NOQUEUE: reject: RCPT from mail.domain.com[208.105.X.X]: 554 5.7.1 Service unavailable; Client host [208.105.X.X] blocked using b.barracudacentral.org; from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<mail.domain.com>