On 04.03.2012 13:30, Stanisław Findeisen wrote: > On 2012-03-04 09:20, Stanisław Findeisen wrote: >> Hi! >> >> I am running a small Postfix server, and for a couple of hours I've been >> getting: "host ... refused to talk to me: 421 service not available >> (connection refused, too many connections)" for all the outgoing mail, >> all destination servers. >> >> What's wrong? >> >> I wasn't even able to subscribe to this mailing list: >> >> Mar 4 00:41:38 k8ux postfix/smtp[2987]: 1462B1F2505: >> to=<majord...@postfix.org>, relay=mail.cloud9.net[168.100.1.7]:25, >> delay=417, delays=417/0.02/0.06/0, dsn=4.0.0, status=deferred (host >> mail.cloud9.net[168.100.1.7] refused to talk to me: 421 service not >> available (connection refused, too many connections))
This smells very much like your outgoing SMTP connections are being trapped by your ISP and redirected to _their_ SMTP server. /mjt
