http://creativecommons.org/licenses/by-sa/2.5/ http://swik.net/SMTP SMTP <p><strong><span class="caps">SMTP</span></strong> or <em>Simple Mail Transfer Protocol</em> is the protocol used to send and receive email on the internet.</p> <p><span class="caps">SMTP</span> is simply an <span class="caps">ASCII</span> text protocol that goes over port 25, an <span class="caps">SMTP</span> server or Mail Transfer Agent such as <a class="wikilink" href="http://swik.net/Sendmail">Sendmail</a> or <a class="wikilink" href="http://swik.net/qmail">qmail</a> or <a class="wikilink" href="http://swik.net/Postfix">Postfix</a> listens on port 25 and text information about an email is exchanged when an is email is sent.</p> <p><span class="caps">SMTP</span> as a protocol is push based, thus it is quite susceptible to spam. The push nature of <span class="caps">SMTP</span> means that other protocols are necessary for intermittently connected email clients: <span class="caps">IMAP</span> or <span class="caps">POP3</span>.</p> <p>To exchange information outside of simple <span class="caps">ASCII</span> messages, <span class="caps">MIME</span> encoding is used to transfer binary files or Unicode encoded messages.</p> SMTP or Simple Mail Transfer Protocol is the protocol used to send and receive email on the internet. SMTP is simply an ASCII text protocol that goes over port 25, an SMTP server or Mail Transfer Agent such as Sendmail or qmail or Postfix listens on port 25 and text information about an email is exchanged when an is email is sent. SMTP as a protocol is push based, thus it is quite susceptible to spam. The push nature of SMTP means that other protocols are necessary for intermittently conne http://swik.net/SMTP smtp email protocol Mon, 29 May 2006 21:58:12 -0700 Mon, 29 May 2006 22:08:41 -0700 http://swik.net/Postfix/del.icio.us%2Ftag%2Fpostfix/Using+Postfix+for+Secure+SMTP+Gateways/cheea Sat, 11 Oct 2008 16:45:31 -0700 http://swik.net/WAMP/del.icio.us%2Ftag%2Fwamp/Sending+email+from+localhost+using+PHP+in+XAMPP%2CWAMP%2CPHPDEV+in+Windows/chcec Fri, 10 Oct 2008 21:04:31 -0700 http://swik.net/Postfix/del.icio.us%2Ftag%2Fpostfix/Postfix+Gmail+SMTP+Relay+%22+Hone+Watson+Bookmarks/chcdx Fri, 10 Oct 2008 21:04:22 -0700 http://swik.net/Postfix/del.icio.us%2Ftag%2Fpostfix/Howto%3A+ISP-style+Email+Server+with+Debian-Etch+and+Postfix+2.3/chahu Fri, 10 Oct 2008 08:10:15 -0700 http://swik.net/Zimbra/del.icio.us+tag%2Fzimbra/Open+Source+Edition+Downloads%3A+Enterprise+Messaging+and+Collaboration+Software+by+Zimbra/cg95k Fri, 10 Oct 2008 06:05:38 -0700 http://swik.net/DokuWiki/Plugins/plugin%3Aswiftmail+%5BDokuWiki%5D/cg91m Fri, 10 Oct 2008 06:04:57 -0700 http://swik.net/AMQP/del.icio.us%2Ftag%2FAMQP/Ajaxian+%22+js.io%3A+client+library+for+networking/cg61y Michael Carter et al have been working on js.io, a client library that gives you networking, including Comet like support, via JavaScript. The low level work can sit upon Comet APIs, and in the future, Web Sockets, and you get high level APIs to protocols such as: * amqp Thu, 09 Oct 2008 17:51:34 -0700 http://swik.net/Postfix/del.icio.us%2Ftag%2Fpostfix/SAAS+-+How+To+Solve+DNS+and+EMail+Validation+Problems/cg5da Wed, 08 Oct 2008 06:50:00 -0700 http://swik.net/Postfix/del.icio.us%2Ftag%2Fpostfix/Postfix+-+SPAM+w+osobnych+maildirach.+Rozwiazanie.+-+pl.comp.mail.mta+%7C+Grupy+dyskusyjne/cg318 Tue, 07 Oct 2008 23:48:51 -0700 http://swik.net/Postfix/del.icio.us%2Ftag%2Fpostfix/Installation+Experiences+%22+Using+gmail+for+outbound+smtp+on+Mac+OS+X+Leopard/cg2z2 Tue, 07 Oct 2008 15:48:27 -0700 http://swik.net/Postfix/del.icio.us%2Ftag%2Fpostfix/16.+SMTP+Authentication+for+Mail+servers/cg1kl Tue, 07 Oct 2008 08:48:12 -0700 http://swik.net/Postfix/del.icio.us%2Ftag%2Fpostfix/HowTos%2Fpostfix+-+CentOS+Wiki/cgyw7 Soon. Mon, 06 Oct 2008 16:48:15 -0700 http://swik.net/Postfix/del.icio.us%2Ftag%2Fpostfix/Postfix+Gmail+SMTP+Relay+%22+Hone+Watson+Bookmarks/cguws Sun, 05 Oct 2008 17:06:01 -0700 http://swik.net/Postfix/del.icio.us%2Ftag%2Fpostfix/Begrense+spam+%28Postfix%29+-+Linuxguiden/cgsy1 Sun, 05 Oct 2008 00:01:13 -0700 http://swik.net/Postfix/del.icio.us%2Ftag%2Fpostfix/Postfix+SMTP+Access+Policy+Delegation/cgsy0 Sun, 05 Oct 2008 00:01:13 -0700 http://swik.net/opensource/del.icio.us+tag%2Fopensource/Apache+James/cgrzk Sat, 04 Oct 2008 14:20:14 -0700 http://swik.net/Postfix/del.icio.us%2Ftag%2Fpostfix/Postfix%3A+Mail-Relay+mit+SMTP-Auth+f%C3%BCr+ausgehende+Mails/cgprw Fri, 03 Oct 2008 17:51:43 -0700 http://swik.net/Postfix/del.icio.us%2Ftag%2Fpostfix/SMTP+Gateway+for+Multiple+Domains+with+Postfix/cgprv Fri, 03 Oct 2008 17:51:43 -0700 http://swik.net/Postfix/del.icio.us%2Ftag%2Fpostfix/Mail-DKIM+and+DKIMproxy/cgo96 Fri, 03 Oct 2008 14:52:46 -0700 http://swik.net/Postfix/del.icio.us%2Ftag%2Fpostfix/16.+SMTP+Authentication+for+Mail+servers/cgo3u Fri, 03 Oct 2008 13:56:29 -0700 http://swik.net/Postfix/del.icio.us%2Ftag%2Fpostfix/Pop-before-smtp+Quickstart+Guide/cgnyd Fri, 03 Oct 2008 07:50:20 -0700 http://swik.net/Postfix/del.icio.us%2Ftag%2Fpostfix/Postfix+Home+Page/cgnyb Fri, 03 Oct 2008 07:50:20 -0700 http://swik.net/Postfix/del.icio.us%2Ftag%2Fpostfix/12.+SMTP+Authentication+for+Mail+clients/cglex Thu, 02 Oct 2008 14:37:28 -0700 http://swik.net/Postfix/del.icio.us%2Ftag%2Fpostfix/Tutorial%3A+ISP-style+Email+Service+with+Debian-Woody+and+Postfix+%281.x%29/cgksg Thu, 02 Oct 2008 11:22:01 -0700 http://swik.net/Postfix/del.icio.us%2Ftag%2Fpostfix/Postfix+Stress+Test+with+smtp-source+and+top+-+PostfixMail.com/cgiir Wed, 01 Oct 2008 23:09:29 -0700 http://swik.net/Postfix/del.icio.us%2Ftag%2Fpostfix/Virtual+Mailhosting+System+with+Postfix+Guide+%E2%80%94+Gentoo+Linux+Documentation/cgfvh Wed, 01 Oct 2008 08:09:13 -0700 http://swik.net/Postfix/del.icio.us%2Ftag%2Fpostfix/Terry+Zink%27s+Anti-spam+Blog/cgc19 Tue, 30 Sep 2008 14:09:09 -0700 http://swik.net/Postfix/del.icio.us%2Ftag%2Fpostfix/Craig+Ambrose.+respond_to.email%2C+or+how+to+handle+incoming+emails+in+rails+RESTfully/cgb7y Tue, 30 Sep 2008 10:09:22 -0700 http://swik.net/Postfix/del.icio.us%2Ftag%2Fpostfix/Postfix+Performance+Tuning/cgb7x Tue, 30 Sep 2008 10:09:22 -0700 http://swik.net/Postfix/del.icio.us%2Ftag%2Fpostfix/Postgrey+-+Postfix+Greylisting+Policy+Server/cgbjr Tue, 30 Sep 2008 07:08:56 -0700