Hi, i have the following setup, A ispconfig server located behind a pfsense router. I have port forwarded the following ports from the wan to the ispconfig server: tcp 80 tcp 21 tcp 143 tcp 110 tcp 465 tcp 443 tcp 53 (tcp/udp) tcp 993 tcp 995 My webpage shows but my email-client cant retrieve emails when I'm "mobile" only when I'm on the LAN, In the text i have replaced my actual domain name with "example.com" I get the following result when i dig @ns1.loopia.se example.com MX Code: ; <<>> DiG 9.3.2 <<>> @ns1.loopia.se olandicum.se MX ; (1 server found) ;; global options: printcmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 35337 ;; flags: qr aa rd; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0 ;; QUESTION SECTION: ;example.com. IN MX ;; ANSWER SECTION: example.com. 600 IN MX 10 mail.example.com. ;; Query time: 43 msec ;; SERVER: 93.188.0.20#53(93.188.0.20) ;; WHEN: Thu Nov 29 10:16:44 2012 ;; MSG SIZE rcvd: 51 the ns1.loopia.se is the nameserver of my domain name provider so it seems the mx record is ok, and the portforwarding is ok. the firewalls both on Wan and the ispconfig server have the right ports open. The dns setup on the ispconfig server is: Code: A mail 192.168.80.50 0 A ns1 192.168.80.50 0 A example.com. 192.168.80.50 0 A www 192.168.80.50 0 MX example.com. mail.example.com. 10 NS example.com. ns1.example.com 0 NS example.com. ns2.loopia.se. 0 An idea i got was about the setup of the LAN dhcp and the pfsense nameserver. so for my ispconfig server the ifcfg-eth0 is: Code: DEVICE=eth0 BOOTPROTO=none NM_CONTROLLED=yes ONBOOT=yes TYPE=Ethernet IPADDR=192.168.80.50 PREFIX=24 GATEWAY=192.168.80.1 DNS1=192.168.80.50 DNS2=192.168.80.1 DOMAIN=enmi.me DEFROUTE=yes IPV4_FAILURE_FATAL=yes IPV6INIT=no NAME="System eth0" NETMASK=255.255.255.0 USERCTL=no and the dhcp server leases addresses where dns-server 192.168.80.50 and 192.168.80.1 is specified. when i try to connect to "mail.example.com" from my smartphone, its not available. So for starters i cant retrieve mail from my server either by imap or pop3, when im outside the firewall/router LAN. I also cant send by smtp, (this is probably because my ISP only allows its own stmp-server on port 25 so i will test running smtp/s at port 465 instead, is it enough to edit /etc/postfix/master.cf and uncommenting the following line: smtps inet n - n - - smtpd and do a postfix reload or do i have to make any other changes in the setup? Hope you understand my dilemma, my priority is the imap/pop3 retrival. by the way where do you check if the ssl is activated for pop3/s or imap/s or smtp/s i get a "no valid certificate sometimes even do i haven't specified that a certificate should be used. Best regards Mikael