Add emails to gitea

Also more networking changes lmao

secrets/secrets.nix

@@ -26,4 +26,5 @@ in {
   "minisign_private_key.age".publicKeys = users ++ [system1 system3];
   "bigding_backup_s3_creds.age".publicKeys = users ++ [system4];
   "bigding_backup_repo_password.age".publicKeys = users ++ [system4];
+  "sendmail_email_key_gitea.age".publicKeys = users ++ [system4];
 }

secrets/sendmail_email_key_gitea.age

@@ -0,0 +1,17 @@
+age-encryption.org/v1
+-> ssh-ed25519 eYYv1Q XtRSlxUK8enDmGPLuaNTtRLfPcAw2adI0rg7tyrIsVg
+wqS2sot8VBkg8AEIVT+8nqp/zQrgx60aO5+EDKAS6Eo
+-> ssh-ed25519 Bp5IaA xxKUriiEdSH1oG9/vdyjEtyOq7b1zSBY6RyDr13OVUE
+sWVBSJtX/TNBxINHv4NqmN4yPjNteoMyPH9vZRHp9t4
+-> ssh-ed25519 T/DpgA MnEwHXMOJIX6EL4j24QX1GD047lQvCLHKSDPvwEXYj0
+bMVQvcub7BE5kQ7nipQGAg0DLsHhA6y9pQxjG0vLDYo
+-> ssh-ed25519 qMgRFg nLCDG0cPUGw0EHebVawxraulglOVEdwUWh/c5CFf6CM
+MagTjYCuIyNF895Kk0Y2uDxZf3u9X5ZKatNPSfENZOA
+-> ssh-ed25519 dMZXNw FZ2sXIfl1yxkvfuNC6njE/OrH8IptIo7MOwNeHeSrWQ
+YBC1LUbStFBKX/rHIgtb70+W6mmdk7XOBDnrZBTeEyU
+-> ssh-ed25519 70Nt2Q hUwnRFHLeArYMmIKh0ObeL+rh3PKgvIOZJjfhXH+fwU
+vFasj2ysflk5M+KyGfoAkBrk+X0GcphlK8uQFFTvwB0
+-> C"2am-grease e )q x;Ej
+gbqZ94TuSRUzfQ
+--- o0NjU4u5RB1RSAeOGhud8VJSLLpbZSoU7suslTA3rbs
+<EFBFBD><EFBFBD><EFBFBD>i<EFBFBD>$׼<>`<60>B<EFBFBD>p<EFBFBD><70><EFBFBD><EFBFBD>	J<>n,<2C><>Cu<43>t<EFBFBD>iW<69>l<EFBFBD>e<EFBFBD><65><EFBFBD><EFBFBD><EFBFBD>$/}p<>CU<43><55>n{*Cf<43><66><EFBFBD>>oʁ<6F><17><08><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>L<17><><EFBFBD>'<02>}å8R9<52><39><EFBFBD><EFBFBD><08>I6