Soft Maximum - best free downloads
open relay smtp servers

VisNetic MailServer
VisNetic MailServer is a high performance POP3, SMTP, IMAP, LDAP email server for Windows operating systems. It features a ... spam tools, VisNetic MailServer also features standard relay checking, reverse DNS lookup, MX record verification, RBL checking and ... proprietary IM server is compatible with the Jabber open XML protocol and instant messages between the IM server and any ...

Super Webscan
It can search for smtp server also locates and identifies open relay SMTP servers. It is an all in one program, you tell it how to scan and ...

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