Thanks all for the helpful message. I've detected the firewall from outside network, POP3 port was closed. The structure for email services is, I use MS Exchange as our real mail server, which has POP3 service, meanwhile I use RH72 as firewall and a mail smart host for Exchange. All mails reach the Firewall will be transferred to the Exchange box by sendmail. I couldn't see the POP3 daemon on the Firewall. What are the possible POP daemons, ipop3? what else?
The POP3 service on Exchange works fine. With POP3 port opened in iptables setting on the firewall, What else can close POP3 service? Cheers, Yujie -----Original Message----- From: Peter Kiem [mailto:[EMAIL PROTECTED] Sent: Wednesday, 12 March 2003 11:28 AM To: Yujie Liang Cc: Red Hat Users List Subject: RE: port scan Hi, > But in my firewall setting (iptables -1.2.5-3), POP3 port 110 is opened. > How can I re-open my POP3 port? Is your POP3 daemon running? -- Regards, +-----------------------------+---------------------------------+ | Peter Kiem .^. | E-Mail : <[EMAIL PROTECTED]> | | Zordah IT /V\ | Mobile : +61 0414 724 766 | | IT Consultancy & /( )\ | WWW : www.zordah.net | | Internet Hosting ^^-^^ | ICQ : "Zordah" 866661 | +-----------------------------+---------------------------------+ My current spamtrap address is [EMAIL PROTECTED] -- redhat-list mailing list unsubscribe mailto:[EMAIL PROTECTED] https://listman.redhat.com/mailman/listinfo/redhat-list
