Juniper Firewall
show configuration security flow tcp-mss { ipsec-vpn { mss 1350; }
show configuration security zones security-zone trust tcp-rst;
set security alg msrpc disable
reference:
1: http://www.itsyourip.com/Windows/how-to-fix-exchange-outlook-connection-issues-over-ipsec-vpn/
2: http://forums.juniper.net/t5/SRX-Services-Gateway/Outlook-2003-Email-Issue/td-p/39690
