Am 27.05.2014 07:59, schrieb Tom Kinghorn: > Morning list. > > Is it possible to limit port 587 access to users who are known to be > traveling outside your network (foreign countries)? > > We have a user who cannot access port 25 and as such I am looking at the > submission port, however, do not want to open it up to the net.
using smtp submission is recommended for users login, use it with sasl auth and tls, this way it doesnt matter where your users come from, and its secure, dont open port 25 for user login it should used for mailserver intertraffic only > > many thanks > Tom Best Regards MfG Robert Schetterer -- [*] sys4 AG http://sys4.de, +49 (89) 30 90 46 64 Franziskanerstraße 15, 81669 München Sitz der Gesellschaft: München, Amtsgericht München: HRB 199263 Vorstand: Patrick Ben Koetter, Marc Schiffbauer Aufsichtsratsvorsitzender: Florian Kirstein