74 lines
3.0 KiB
Markdown
74 lines
3.0 KiB
Markdown
1. Ensure that GPG is installed and configured. Also make sure public keys for
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all of your potential recipients are available in the GPG home directory
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used for `keyhome` in step 2.
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2. Configure `/etc/gpg-mailgate.conf` based on the provided
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`gpg-mailgate.conf.sample`
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3. Install some python dependencies `apt-get install python-m2crypto python-markdown python-requests python-mysqldb` (for linux distributions based on Debian. If you have a non Debian based distribution, the install command might be different)
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4. Place `gpg-mailgate.py` and `register-handler.py` in `/usr/local/bin/`
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5. Make sure that `gpg-mailgate.py` and `register-handler.py` are executable
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chmod u+x /usr/local/bin/gpg-mailgate.py
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chmod u+x /usr/local/bin/register-handler.py
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chown nobody:nogroup /usr/local/bin/gpg-mailgate.py
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chown nobody:nogroup /usr/local/bin/register-handler.py
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6. Place the GnuPG directory in `/usr/local/lib/python2.7/dist-packages` (replace 2.7 with your
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Python version)
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7. Add the following to the end of `/etc/postfix/master.cf`
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gpg-mailgate unix - n n - - pipe
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flags= user=nobody argv=/usr/local/bin/gpg-mailgate.py ${recipient}
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127.0.0.1:10028 inet n - n - 10 smtpd
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-o content_filter=
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-o receive_override_options=no_unknown_recipient_checks,no_header_body_checks
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-o smtpd_helo_restrictions=
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-o smtpd_client_restrictions=
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-o smtpd_sender_restrictions=
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-o smtpd_recipient_restrictions=permit_mynetworks,reject
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-o mynetworks=127.0.0.0/8
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-o smtpd_authorized_xforward_hosts=127.0.0.0/8
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8. Add the following to `/etc/postfix/main.cf`
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content_filter = gpg-mailgate
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9. Add `register: |/usr/local/bin/register-handler.py` to `/etc/aliases`
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10. Update postfix's alias database with `postalias /etc/aliases`
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11. Restart postfix.
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12. Setup a place to store public keys and certificates with these example commands:
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usermod -d /var/gpg nobody
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If you encounter any errors when using this command you might need to kill active processes from nobody
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mkdir -p /var/gpg/.gnupg
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mkdir -p /var/smime/certs
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chown -R nobody /var/gpg
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chown -R nobody /var/smime
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chmod 700 /var/gpg/.gnupg
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sudo -u nobody /usr/bin/gpg --homedir=/var/gpg/.gnupg --import /some/public.key
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- Replace `/some/public.key` with the location of a public key
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- `/some/public.key` can be deleted after importation
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- Confirm that it's working: `sudo -u nobody /usr/bin/gpg --list-keys --homedir=/var/gpg/.gnupg`
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13. Create directories for storing email templates:
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mkdir -p /var/gpgmailgate/register_templates
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mkdir -p /var/gpgmailgate/cron_templates
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chown -R nobody /var/gpgmailgate
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- Place the corresponding directories from this project in the created ones
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- Edit them if you want to
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14. [Install gpg-mailgate-web] (gpg-mailgate-web/README)
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