hutler·15 anni fa·discussInteresting. Other people are reporting on their forums that port 25 is allowed only to their own mail servers (http://www5.sonera.fi/keskustele/viewtopic.php?f=57&t=10... ). More similar references are easily found using google.
hutler·15 anni fa·discussSame decree issued by telco authority here in Finland. Nice combo with the mandatory data retention laws (must use isp mail servers + isp must keep and hand out logs to authorities).