I'm new to pfsense so I have a question about the mail server so how can I allow my company mail server without entering an IP address because it has 20 or more. As well as if any IP is blacklisted I will remove it and add a new one so that's why I need some solution.... any ideas? All SMTP, POP3, and IMAP ports must be open with or without SSL. Hostname: mail.example.com
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