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@@ -158,9 +158,9 @@ Why proxy SMTP with Nginx?
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2. Configuration:
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-
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+
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mail {
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- auth_http 127.0.0.1:8025/; # This is the URL to GoGuerrilla's http service which tells Nginx where to proxy the traffic to
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+ auth_http 127.0.0.1:8025/; # This is the URL to GoGuerrilla's http service which tells Nginx where to proxy the traffic to
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server {
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listen 15.29.8.163:25;
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protocol smtp;
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@@ -168,23 +168,24 @@ Why proxy SMTP with Nginx?
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smtp_auth none;
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timeout 30000;
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- smtp_capabilities "SIZE 15728640";
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-
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- # ssl default off. Leave off if starttls is on
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+ smtp_capabilities "SIZE 15728640";
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+
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+ # ssl default off. Leave off if starttls is on
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#ssl on;
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ssl_certificate /etc/ssl/certs/ssl-cert-snakeoil.pem;
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ssl_certificate_key /etc/ssl/private/ssl-cert-snakeoil.key;
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ssl_session_timeout 5m;
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- ssl_protocols SSLv2 SSLv3 TLSv1;
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- ssl_ciphers HIGH:!aNULL:!MD5;
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- ssl_prefer_server_ciphers on;
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- # TLS off unless client issues STARTTLS command
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+ # See https://mozilla.github.io/server-side-tls/ssl-config-generator/ Intermediate settings
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+ ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
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+ ssl_ciphers 'ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA:ECDHE-RSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA:DHE-RSA-AES256-SHA256:DHE-RSA-AES256-SHA:ECDHE-ECDSA-DES-CBC3-SHA:ECDHE-RSA-DES-CBC3-SHA:EDH-RSA-DES-CBC3-SHA:AES128-GCM-SHA256:AES256-GCM-SHA384:AES128-SHA256:AES256-SHA256:AES128-SHA:AES256-SHA:DES-CBC3-SHA:!DSS';
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+ ssl_prefer_server_ciphers on;
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+ # TLS off unless client issues STARTTLS command
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starttls on;
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proxy on;
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}
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}
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-
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-
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+
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+
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Assuming that Guerrilla SMTPd has the following configuration settings:
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"GSMTP_MAX_SIZE" "15728640",
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@@ -215,4 +216,4 @@ Benchmarking:
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http://www.jrh.org/smtp/index.html
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Test 500 clients:
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-$ time smtp-source -c -l 5000 -t [email protected] -s 500 -m 5000 5.9.7.183
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+$ time smtp-source -c -l 5000 -t [email protected] -s 500 -m 5000 5.9.7.183
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Mathieu Lecarme