You probably do not need to punch a hole in the firewall for it. It seems to be for local users to send their email out.
On Tue, Jan 29, 2002 at 12:25:17AM +0100, Mark Janssen wrote: > Hi List, > > I've been running Courier for some weeks now, and am now gearing up to > do a larger scale beta test (company wide). But I still have some > questions. I was working on firewalling the mail system and I would like > to know if the Submission port (587/tcp open submission) > needs to be accessable from the outside. > > Currently I have closed everything but pop3/pop3s/smtp/imap2/imaps/http/https > and submission. But is submission used by 'outside' processes, or only > from the local system (the webmail and imap processes) ?? > > Can I safely close or leave open this port... > > Mark Janssen Unix / Linux, Open-Source and Internet Consultant @ SyConOS IT > E-mail: mark(at)markjanssen.nl / maniac(at)maniac.nl GnuPG Key Id: 357D2178 > Web: Maniac.nl Unix-God.[Net|Org] MarkJanssen.[com|net|org|nl] SyConOS.[com|nl] > > _______________________________________________ > courier-users mailing list > [EMAIL PROTECTED] > Unsubscribe: https://lists.sourceforge.net/lists/listinfo/courier-users -- The 5 year plan: In five years we'll make up another plan. Or just re-use this one. _______________________________________________ courier-users mailing list [EMAIL PROTECTED] Unsubscribe: https://lists.sourceforge.net/lists/listinfo/courier-users
