[Discover] Telnet - SMTP Commands (sending mail using telnet) http://www.yuki-onna.co.uk/email/smtp.html
(smtp email mail linux) 
[Discover] MTA Comparison - Granizada http://shearer.org/MTA_Comparison (linux server sysadmin comparison)
[Discover] qpsmtpd - Develooper LLC http://smtpd.develooper.com/ (smtp email perl spam)
[Discover] A qmail installation that will get you laid - It's gotta be Qmailrocks.org http://www.qmailrocks.org/ (linux email tutorial server)
[Discover] Slicehost Forum - IMAP/SMTP http://forum.slicehost.com/comments.php?DiscussionID=800&page=1#Item_0 (smtp imap postfix)
[Discover] Life with qmail http://www.lifewithqmail.org/ (email linux mta books)
[Discover] Enhance Your Mail Server With ASSP (Anti-Spam SMTP Proxy) http://www.howtoforge.com/antispam_smtp_proxy (email antispam sysadmin spam)
[Discover] Howto install of Qmail/vpopmail/courier-imap... http://sylvestre.ledru.info/howto/howto_qmail_vpopmail.php (email smtp linux vpopmail)
[Discover] Configure Exchange 2003 Server http://www.christensen-software.com/support/config_exchange_2003.htm (email exchange smtp windows)
[Discover] Qmail ISP Patches http://jeremy.kister.net/code/qmail-1.03.isp.patch (smtp qmail)
[Discover] http://www-dt.e-technik.uni-dortmund.de/~ma/qmail/patch-qmail-1.03-rfc2821.diff http://www-dt.e-technik.uni-dortmund.de/~ma/qmail/patch-qmail-1.03-rfc2821.diff (smtp opensource qmail)
[Discover] jgreylist http://qmail.jms1.net/scripts/jgreylist.shtml (smtp spam qmail)
[Discover] AY SMTP Diagnostic Tool http://www.aysoft.com/aydiag.htm (smtp free download)
[Discover] qmail smtp plugin patch page http://qmail-spp.sourceforge.net/ (spam smtp email opensource)
[Discover] Enable postfix on Mac http://www.david-reitter.com/software/osxpostfix.html (email smtp postfix osx)
[Discover] DBMail Administrator ( DBMA ) v2.4.9 GUI for DBMail Mail Storage and Retrieval Admin http://dbma.mobrien.com/ (dbmail smtp administration php)
[Discover] Interazioni: chkuser 2.0 http://www.interazioni.it/opensource/chkuser/ (server mail sysadmin software)
[Discover] member.dnsstuff.com - 10 + 1 Best Practices for Implementing an SMTP server http://member.dnsstuff.com/rc/index2.php?option=com_alphacontent§ion=9&cat=16&task=v ... (dns server smtp mail)
[Discover] Greylisting.org - whitelisting http://greylisting.org/whitelisting.shtml (email smtp spam)

[Discover] Postfix Spam Filter using Ubuntu Dapper, MailScanner, SpamAssassin, Razor, Pyzor, DCC and ClamAV | ... http://www.howtoforge.com/postfix_antispam_mailscanner_clamav_ubuntu (ubuntu postfix howto dapper)
[Discover] Index of /~rbos/qgreylist http://novylen.net/~rbos/qgreylist/ (smtp qmail)
[Discover] rhost-check - qmail check for bad reverse dns http://www.zentus.com/rhost-check.html (dns smtp opensource spam)
[Discover] QMRTG - a qmail activity analyzer http://dev.publicshout.org/qmrtg/index.html (smtp mrtg linux monitoring)
[Discover] Hermes Antispam Proxy http://www.hermes-project.com/ (email proxy smtp spam)
[Discover] Spey: a greylisting SMTP proxy http://spey.sourceforge.net/ (email smtp spam antispam)
[Discover] spamdyke http://freesoftware.silence.org/spamdyke/ (email smtp linux spam)
[Discover] http://www.linuxti.pro.br/patches/readme-but3k4-V1-20070101.txt http://www.linuxti.pro.br/patches/readme-but3k4-V1-20070101.txt (smtp opensource spam qmail)
[Discover] How to use GMail's SMTP Server with Rails http://www.rubyinside.com/how-to-use-gmails-smtp-server-with-rails-394.html (email rails rubyonrails smtp)
[Discover] Telnet - SMTP Commands (sending mail using telnet) http://www.artran.co.uk/computers/telnetSMTP.html (smtp telnet email tutorial)
[Discover] Sending + Receiving Email Via Telnet - using email via the command line. http://www.trap17.com/index.php/sending-receiving-email-via-telnet_t34702.html (email smtp telnet pop)
[Discover] Incoming and Outgoing Mail Server Settings for Hotmail, Yahoo, Google GMail, AOL and more http://www.emailaddressmanager.com/tips/mail-settings.html (email reference mail security)
[Discover] Using Fetchmail to forward email [spikesource hints'n'tips] http://blog.spikesource.com/fetchmail.htm (linux howto smtp documentation)
[Discover] SMTP, POP3 and Telnet in Exchange 2000/2003 http://www.petri.co.il/smtp_pop3_and_telnet.htm (email smtp network exchange)
[Discover] SMTP reply codes http://www.greenend.org.uk/rjk/2000/05/21/smtp-replies.html (smtp codes email reference)
[Discover] Postfix Configuration Parameters http://www.postfix.org/postconf.5.html#smtp_fallback_relay (postfix relay smtp mail)
[Discover] MTA Comparison - Granizada http://shearer.org/MTA_Comparison (linux server sysadmin comparison)
[Discover] qpsmtpd - Develooper LLC http://smtpd.develooper.com/ (smtp email perl spam)
[Discover] A qmail installation that will get you laid - It's gotta be Qmailrocks.org http://www.qmailrocks.org/ (linux email tutorial server)
[Discover] Slicehost Forum - IMAP/SMTP http://forum.slicehost.com/comments.php?DiscussionID=800&page=1#Item_0 (smtp imap postfix)
[Discover] Life with qmail http://www.lifewithqmail.org/ (email linux mta books)
[Discover] Enhance Your Mail Server With ASSP (Anti-Spam SMTP Proxy) http://www.howtoforge.com/antispam_smtp_proxy (email antispam sysadmin spam)
[Discover] Howto install of Qmail/vpopmail/courier-imap... http://sylvestre.ledru.info/howto/howto_qmail_vpopmail.php (email smtp linux vpopmail)
[Discover] Configure Exchange 2003 Server http://www.christensen-software.com/support/config_exchange_2003.htm (email exchange smtp windows)
[Discover] Qmail ISP Patches http://jeremy.kister.net/code/qmail-1.03.isp.patch (smtp qmail)
[Discover] http://www-dt.e-technik.uni-dortmund.de/~ma/qmail/patch-qmail-1.03-rfc2821.diff http://www-dt.e-technik.uni-dortmund.de/~ma/qmail/patch-qmail-1.03-rfc2821.diff (smtp opensource qmail)
[Discover] jgreylist http://qmail.jms1.net/scripts/jgreylist.shtml (smtp spam qmail)
[Discover] AY SMTP Diagnostic Tool http://www.aysoft.com/aydiag.htm (smtp free download)
[Discover] qmail smtp plugin patch page http://qmail-spp.sourceforge.net/ (spam smtp email opensource)
[Discover] Enable postfix on Mac http://www.david-reitter.com/software/osxpostfix.html (email smtp postfix osx)
[Discover] DBMail Administrator ( DBMA ) v2.4.9 GUI for DBMail Mail Storage and Retrieval Admin http://dbma.mobrien.com/ (dbmail smtp administration php)
[Discover] Interazioni: chkuser 2.0 http://www.interazioni.it/opensource/chkuser/ (server mail sysadmin software)
[Discover] member.dnsstuff.com - 10 + 1 Best Practices for Implementing an SMTP server http://member.dnsstuff.com/rc/index2.php?option=com_alphacontent§ion=9&cat=16&task=v ... (dns server smtp mail)
[Discover] Greylisting.org - whitelisting http://greylisting.org/whitelisting.shtml (email smtp spam)
[Discover] Patches included with QmailToaster - QMail-Toaster http://wiki.qmailtoaster.com/index.php/Patches_included_with_QmailToaster (smtp opensource qmail)
[Discover] Postfix Spam Filter using Ubuntu Dapper, MailScanner, SpamAssassin, Razor, Pyzor, DCC and ClamAV | ... http://www.howtoforge.com/postfix_antispam_mailscanner_clamav_ubuntu (ubuntu postfix howto dapper)
[Discover] Index of /~rbos/qgreylist http://novylen.net/~rbos/qgreylist/ (smtp qmail)
[Discover] rhost-check - qmail check for bad reverse dns http://www.zentus.com/rhost-check.html (dns smtp opensource spam)
[Discover] QMRTG - a qmail activity analyzer http://dev.publicshout.org/qmrtg/index.html (smtp mrtg linux monitoring)
[Discover] Hermes Antispam Proxy http://www.hermes-project.com/ (email proxy smtp spam)
[Discover] Spey: a greylisting SMTP proxy http://spey.sourceforge.net/ (email smtp spam antispam)
[Discover] spamdyke http://freesoftware.silence.org/spamdyke/ (email smtp linux spam)
[Discover] http://www.linuxti.pro.br/patches/readme-but3k4-V1-20070101.txt http://www.linuxti.pro.br/patches/readme-but3k4-V1-20070101.txt (smtp opensource spam qmail)
[Discover] How to use GMail's SMTP Server with Rails http://www.rubyinside.com/how-to-use-gmails-smtp-server-with-rails-394.html (email rails rubyonrails smtp)
[Discover] Telnet - SMTP Commands (sending mail using telnet) http://www.artran.co.uk/computers/telnetSMTP.html (smtp telnet email tutorial)
[Discover] Sending + Receiving Email Via Telnet - using email via the command line. http://www.trap17.com/index.php/sending-receiving-email-via-telnet_t34702.html (email smtp telnet pop)
[Discover] Incoming and Outgoing Mail Server Settings for Hotmail, Yahoo, Google GMail, AOL and more http://www.emailaddressmanager.com/tips/mail-settings.html (email reference mail security)
[Discover] Using Fetchmail to forward email [spikesource hints'n'tips] http://blog.spikesource.com/fetchmail.htm (linux howto smtp documentation)
[Discover] SMTP, POP3 and Telnet in Exchange 2000/2003 http://www.petri.co.il/smtp_pop3_and_telnet.htm (email smtp network exchange)
[Discover] SMTP reply codes http://www.greenend.org.uk/rjk/2000/05/21/smtp-replies.html (smtp codes email reference)
[Discover] Postfix Configuration Parameters http://www.postfix.org/postconf.5.html#smtp_fallback_relay (postfix relay smtp mail)
