more administrivia
I tweaked some sendmail settings that were introduced in the latest version, that should help combat spam, but could also cause some temporary delays of email. If you have any mail that should have gone to you, but were bounced back, send me the bounce message, and we'll work it out. More details on exactly what I did are below
Sendmail 8.13 allows for a few measures to control how quickly people can access your mail server, as well as setting up some tricks to fool spammers, and slow them down.
GreetPause puts in a 5 second delay before the SMTP greeting phrase. If you try to send it anything before it sends the greeting, it immediately ceases to take any commands.
ClientRate puts a limit on how many connections the server will accept per minute, currently set to 10. ClientConn puts a limit on how many connections at one time the server will take, and that's set to a max of 5.