「Sum」

Mailbolge is an experimental console utility, developed to ease email security mass-testing.
Packaged with all common proxy and mail formats support, it aims towards anonimity and coverage.
Latest version: https://github.com/Guevara-chan/Mailbolge/releases/download/v0.03/Mailbolge.zip (direct link)

「Featuræ」

• Built-in proxy engine and checker (HTTPS/SOCKS4/SOCKS5).
• Agnostic POP3 and IMAP support.
• Asynchronous search engine.

「Reassembling」

Mailbolge was developed entirelly in Boo v0.9.7.0, with help of Mailkit and ProxySocket external libraries.
It requires .NET 4.0 framework to run, though confirmed as being mostly compatible with Mono 4.6.2+.

「Brief sample of interfacing」