Eudora Internet Mail Server Description
Relay restrictions have been completely rewritten with an easier-to-use interface that allows for finer control of relay security. EIMS has its own domain name resolver, which fixes bugs in the Open Transport DNR as well as performance issues with the OS X DNR. The new DNR currently does not support non-recursive domain names. SMTP Submit Port, this is a secondary SMTP port that runs on TCP port 587. It currently functions exactly the same way as the standard SMTP. This is useful for clients who are behind an ISP which blocks port 25 access. Sending Setup option to set maximum recipients per message. You can now turn off the Expand SMTP addresses option. This was always on in EIMS 3.1. The SMTP (both port 25 or 587) server now reports Telnet and connections that appear to be port scans (connections with no data sent and where it doesn't stop timer).