1. IT:Network:Apps

2.  Hosts  Root Servers  Zones  Name Resolution  Reverse and forward Lookups  CName  MX Records  NSLookup  IPconfig

3.  DNS is a database with its own set of tools used to provide maintenance and querying capabilities  Root Servers are DNS servers that maintain info about all other Domains  Topmost root domain is unnamed and is simply the “.”. Next is the Top-level, ie. ◦.com,.edu,.gov,.int,.net,.org,.mil, etc, etc

4.  ‘A’ Record ◦ Specifies a host address  Myserver.mycompany.com IN A 127.0.0.1  CNAME ◦ Canonical name define aliases for their true host name. Mapping multiple names to a single IP.  MX ◦ Mail exchange record provides information for message routing for a specified domain.  NS ◦ Lists other NAME SERVERS  PTR ◦ POINTER RECORD is a reverse of a host (A) resource record because it provides information for reverse lookups  SOA ◦ Start of authority  SRV ◦ Services locator  _MSDCS  _SITES  _TCP  UDP

5.  NSLOOKUP ◦ SET TYPE=ANY ◦ DOMAIN.COM

6.  Register domain name ◦ www.networksolutions.com www.networksolutions.com ◦ www.godaddy.com www.godaddy.com  Create records

7.  http://www.spam.com/  Not! http://www.spam.com/  Spam is the use of electronic messaging systems (including most broadcast media, digital delivery systems) to send unsolicited bulk messages indiscriminately.** www.wikipedia.com

8.  Office 365 ◦ Filtering built in

9.  Custom Office 365 Policies

10.  Google (postini)

11.  Custom Configurations

12.  Support offered in Exchange 2010 as well as legacy Exchange ◦ 2003  Intelligent(?) Message Filtering  Exchange 2010 Content  Install anti-spam agents on the Transport Hub ◦ http://technet.microsoft.com/en- us/library/bb201691.aspx http://technet.microsoft.com/en- us/library/bb201691.aspx ◦.\Install-Antispamagents.ps1  Automatic update for Antispam signatures ◦ Enable-Antispamupdats –IPReputationupdatesenabled $True –Spamsignatureupdatesenabled $True – Updatemode Automatic –Microsoftupdate requestscheduled

13.  Security Appliances ◦ http://www.spamhelp.org/appliances/ http://www.spamhelp.org/appliances/  3 rd Party(off-site) SPAM filtering solutions ◦ Postini  http://www.google.com/postini/index.html http://www.google.com/postini/index.html ◦ Others  http://www.spamhelp.org/services/listings/managed- anti-spam/ http://www.spamhelp.org/services/listings/managed- anti-spam/