Nginx [engine x] is an HTTP and reverse proxy server, as well as a mail proxy server, written by Igor Sysoev. It supports accelerated reverse proxying with caching, simple load balancing and fault tolerance, SSL and TLS SNI support, Name-based and IP-based virtual servers and lot more.

Nginx - HTTP and reverse proxy server

Mireka is a mail server with SMTP, Mail Submission and POP3 services. It is also an SMTP proxy. As a proxy, it can help to prevent or diagnose mail problems, like outgoing backscatter spam. 
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<ul>
<li>detailed logging</li>
<li>basic mail traffic statistics</li>
<li>filtering by DNSBL</li>
<li>filtering by SPF</li>
<li>accepting mail only for local domains and recipients</li>
<li>wildcards (regular expressions) can be used to specify local recipients</li>
<li>basic tarpit, to prevent e-mail address harvesting</li>
<li>loop detection</li>
<li>configurable maximum message size</li>
<li>easy implementation and installation of custom filters written in Java</li>
<li>separate Message Transfer Agent and Message Submission Agent ports: 25 and 587 by default</li>
<li>proxy functionality for incoming mails (both MSA and MTA)</li>
<li>the proxy can select from more than one backend server, based on the recipient</li>
<li>standalone (non-proxy) Message Submission Agent implementation with file system based mail queues</li>
<li>submission port authentication by IP address or by username-password pair through SMTP authentication</li>
<li>POP3 service for retrieving mail, file system based mail store</li>
<li>aliases, forward lists and (very) simple mail lists</li>
<li>Sender Rewriting Scheme (SRS) for SPF compatible forwarding</li>
<li>secure communication using STARTTLS on all services</li>
<li>"delayed" DSN reports on temporary failures</li>
<li>embeddable</li>
</ul>

Mireka is a mail server with SMTP, Mail Submission and POP3 services. It is also an SMTP proxy. As a proxy, it can help to prevent or diagnose mail problems, like outgoing backscatter spam. 

Mireka - Mail server and SMTP proxy

Baton is a simple proxy which accepts SMTP connections and routes them to one or more backend SMTP servers based on the envelope sender or recipients. The conversation is proxied in realtime without storing the mail content. There are no downloads but the code works - it is simple enough to be self-explanatory, especially with the test cases. Code derived from this project is used to implement the "fallback host" feature of the SubEtha mailing list server.

Baton - Simple SMTP proxy which routes the conversation to one or more backend servers

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Nginx - HTTP and reverse proxy server

Mireka - Mail server and SMTP proxy

Baton - Simple SMTP proxy which routes the conversation to one or more backend servers

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Projects

Nginx - HTTP and reverse proxy server

Mireka - Mail server and SMTP proxy

Baton - Simple SMTP proxy which routes the conversation to one or more backend servers

TechStack

Tagcloud

License