http://technet.microsoft.com/en-us/library/bb684892(v=exchg.80).aspx Microsoft Exchange 2007 – how to update mailbox size limits / how to change mailbox configuration caching and update periods
http://technet.microsoft.com/en-us/library/bb684892(v=exchg.80).aspx Microsoft Exchange 2007 – how to update mailbox size limits / how to change mailbox configuration caching and update periods
http://technet.microsoft.com/en-us/library/bb684892(v=exchg.80).aspx Microsoft Exchange 2007 – how to update mailbox size limits / how to change mailbox configuration caching and update periods
https://www.senderscore.org/senderscore/ sendnder-score IP lookup tool
http://multirbl.valli.org/lookup/ search multiple DNSNL
https://lwn.net/Articles/432813/ “jwb” – one of postmasters of gmail.com commenting on lwn
http://sendmail.com/sm/resources/tools/ip_reputation/ IP-reputation tools from Sendmail.com (spam-score of an IP address )
http://mail.live.com/mail/postmaster.aspx Hotmail postmaster web page
http://www.outofcontrol.ca/archives/2006/11/28/sendmail-pipe-php-script-dilemma/ sendmal “smrsh” (aka sendmail restricted shell) – how to do do “pipe to a script” alias.
http://atmail.com/kb/2008/setting-up-smtp-outbound-to-another-port-via-iptables-dnat/ if you are on EC2 hosting, redirect all your smpt traffic via SUBMISSION port