WIP: Use postfix options for routing mails through tunnel #45

Draft
esavkin wants to merge 9 commits from enable-mail-proxy-and-tunnel into master

9 Commits

Author SHA1 Message Date
Egor Savkin addc202345 Use IPv6 for WG transport to decrease latency by 20%
Signed-off-by: Egor Savkin <es@m-labs.hk>
2024-09-13 16:47:43 +08:00
Egor Savkin 6dded5a701 Ip rules instead of iptables tracking
Signed-off-by: Egor Savkin <es@m-labs.hk>
2024-09-13 16:47:43 +08:00
Egor Savkin 17b21f3801 Apply tested client configuration
Adds an additional route, but doesn't enforce it so other apps will remain the same, but smtp can use tunnel for sending. Also sends replies through the tunnel if connection arrives on the tunnel.
Better have something tested and working before I start doing "perfect".

Signed-off-by: Egor Savkin <es@m-labs.hk>
2024-09-13 16:47:43 +08:00
Egor Savkin dba87d68d3 Use wireguard instead of strongswan since its in the kernel
Signed-off-by: Egor Savkin <es@m-labs.hk>
2024-09-13 16:47:43 +08:00
Egor Savkin 4966465b1c WIP: Use gre/ipsec instead of proxy
Signed-off-by: Egor Savkin <es@m-labs.hk>
2024-09-13 16:47:43 +08:00
Egor Savkin a230f3fa68 Use proxychains-ng instead of tsocks
Signed-off-by: Egor Savkin <es@m-labs.hk>
2024-09-13 16:47:43 +08:00
Egor Savkin c3be96a166 Use tsocks to wrap socks and add sock transport type
Signed-off-by: Egor Savkin <es@m-labs.hk>
2024-09-13 16:47:43 +08:00
Egor Savkin 3237cfb50f Use wildcard instead of explicit specification
As in example at https://www.postfix.org/transport.5.html

Signed-off-by: Egor Savkin <es@m-labs.hk>
2024-09-13 16:47:43 +08:00
Egor Savkin f0d13c40ba Use postfix options for routing mails through ssh tunnel
Signed-off-by: Egor Savkin <es@m-labs.hk>
2024-09-13 16:47:43 +08:00