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Topic: SMTP



  
 Simple Mail Transfer Protocol - Wikipedia, the free encyclopedia
Standards such as MIME were developed to encode binary files for transfer through SMTP.
Sendmail was one of the first (if not the first) mail transfer agents to implement SMTP.
Today, most SMTP servers support the 8BITMIME extension, permitting binary files to be transmitted almost as easily as plain text.
http://en.wikipedia.org/wiki/SMTP

  
 RFC 2821 (rfc2821) - Simple Mail Transfer Protocol
SMTP systems are expected to make every reasonable effort to accept mail directed to Postmaster from any other system on the Internet.
SMTP servers performing a relay function MUST NOT inspect the message data, and especially not to the extent needed to determine if Return-path headers are present.
The SMTP content is sent in the SMTP DATA protocol unit and has two parts: the headers and the body.
http://www.faqs.org/rfcs/rfc2821.html

  
 SMTP AUTH in sendmail 8.10-8.13
You can require the use of SMTP AUTH for relaying by simply turning off other means of relaying for incoming mail, e.g., the access map or class R.
Requiring SMTP AUTH for all mails is in general a bad idea, because then you cannot receive mails from other users (since the cannot authenticate).
SMTP AUTH allows relaying for senders who have successfully authenticated themselves.
http://www.sendmail.org/%7Eca/email/auth.html

  
 End of the road for SMTP? CNET News.com
Some say rewriting SMTP from the ground up would be prohibitively difficult because of the protocol's global user base, which is estimated to be in the hundreds of millions.
Some who worked on the protocol in its early days argue that it is flexible enough to have successfully evolved over the years--having absorbed numerous revisions and extensions--and that the authentication problem can be partially solved with existing technologies.
Developed when the Internet was used almost exclusively by academics, the Simple Mail Transfer Protocol, or SMTP, assumes that you are who you say you are.
http://news.com.com/2100-1038_3-5058610.html

  
 FEHCom - SMTP Authentication [Qmail Book]
SMTP Authentication is a scheme which was introduced in 1999 by J. Meyers of Netscape Communications and finally released as RFC 2554 ("SMTP Service Extension for Authentication").
In order to understand SMTP Authentication, one has to work through several RFC, which seem to be unrelated in the first place.
Therefore, SMTP Authentication is an additional approach based on a User identitification/authentication and is particularly well suited to support roaming Users.
http://www.fehcom.de/qmail/smtpauth.html

  
 Cotse - Connected: An Internet Encyclopedia - SMTP Protocol Overview
Simple Mail Transfer Protocol (SMTP), documented in RFC 821, is Internet's standard host-to-host mail transport protocol and traditionally operates over TCP, port 25.
From the sender's viewpoint, the command replies always take the form of text lines, each starting with a three-digit code identifying the result of the operation, a continuation character to indicate another lines following, and then arbitrary text information designed to be informative to a human.
However, a backoff algorithm is used, and no mechanism exists to poll all Internet hosts for mail, nor does SMTP provide any mailbox facility, or any special features beyond mail transport.
http://www.cotse.com/CIE/Topics/94.htm

  
 SMTP Transport Binding for SOAP 1.1
SOAP [1] is a lightweight protocol for exchange of information in a decentralized, distributed environment, using XML.
This SHOULD be achieved via the standard Message-Id and In-Reply-To SMTP headers [8].
The request will include a Message-Id header, and the associated response should include a In-Reply-To header that contains the Message-Id of the request, and a new Message-Id header.
http://www.pocketsoap.com/specs/smtpbinding

  
 OpenBSD Sendmail + SMTP AUTH Mini-HOWTO
In order to have your new sendmail binary actually be able to support SMTP AUTH via these sasl libraries, you need to delete all the symlinks in this directory and re-create them such that they actually point to the real library files.
It covers recompiling OpenBSD's sendmail sources with support for SASL [RFC 2222], which SMTP AUTH is based on.
At this point, your sendmail binary and the SASL libraries it is dependant on for SMPT AUTH support are all ready to rock.
http://www.gnutec.com/~amonk/writing/technical/howtos/obsd-sendmail+sasl.html

  
 QwikMail - qwik-smtpd - reliable SMTP server
This is no problem because all mail servers are required to understand and correctly implement SMTP.
All that the server does is accepts the mail, and can be configured to accept/not accept mail for a particular user or domain.
Minimum does not always mean lack of features.
http://qwikmail.sourceforge.net/smtpd

  
 AY SMTP Diagnostic Tool
Download AY SMTP Diagnostic tool now (Only 114K).
If you have AY Mail 2 you can use the diagnostic tool to automatically tune AY Mail settings according to the test results.
You will find out what are the best settings for your mass email software.
http://www.aysoft.com/aydiag.htm

  
 Postfix SMTP AUTH (and TLS) HOWTO
It won't work for those who focus on the computing and not the computer...
The service/script will write the IP of those users to a file or database.
It will explain installation, configuration and use of the softwares needed (Cyrus-SASL, TLS and Postfix) for this solution.
http://postfix.state-of-mind.de/patrick.koetter/smtpauth

  
 Free SMTP Server - QK SMTP Server
QK SMTP Server is a powerful but extremely easy-to-use smtp server software, which can send mails from local host to the recipients' mailboxes directly at an amazingly high speed.
QK SMTP Server can also work with most mass email sender software so as to improve their performance in an amazingly way!
You can send mails directly from your own computer via QK SMTP Server instead of waiting for connecting and applying with your ISP's SMTP server.
http://www.qksoft.com/qk-smtp-server

  
 What is SMTP? - A Word Definition From the Webopedia Computer Dictionary
One of the most important RFCs, covering requirements for Internet client software, including Telnet, FTP, SMTP, and DNS.
Request for Comments document on Simple Mail Transfer Protocol (SMTP).
Yahoo!'s directory of Simple Mail Transfer Protocol (SMTP).
http://www.webopedia.com/TERM/S/SMTP.html

  
 NodeWorks - Encyclopedia: SMTP-AUTH
If authenticated users are allowed to submit messages from IP addresses where unauthenticated users are not — that is, if authenticated users are allowed to relay mail — then an attacker who subverts one user's account is then able to use the authenticated server as an open mail relay.
It does not guarantee the authenticity of either the SMTP envelope sender or the RFC 2822 "From:" header.
It can be used to allow legitimate users to relay mail while denying relay service to unauthorized users, such as spammers.
http://pedia.nodeworks.com/S/SM/SMT/SMTP-AUTH

  
 SMTP mail relay server - authenticated SMTP service, mobile / relaying denied and SMTP errors solved.
AuthSMTP is a SMTP mail relay service that solves all these problems and provides many advanced features for a very low cost meaning you can send
SMTP mail relay server - authenticated SMTP service, mobile / relaying denied and SMTP errors solved.
AuthSMTP - The Ultimate, Global SMTP Mail Service.
http://www.authsmtp.com

  
 Advanced SMTP Server - free download
Advanced SMTP Server is a system-tray local SMTP server program for Windows that lets you send email messages directly from your computer to recipient mailboxes.
Advanced SMTP Server supports all email programs such as Outlook Express
The user interface of the program is very easy to learn, excellent documentation is included.
http://www.softstack.com/advsmtp.html

  
 NetBenefit - e-mail
Most email on the Internet is delivered using SMTP (the Simple Mail Transfer Protocol).
It is possible that the addresses do not match the incoming addresses.
If you already have a relay that works for outbound mail then you can (and should) continue to use it.
http://www.netbenefit.com/storeandforward.html

  
 SMTP - Glossary - CNET.com
When you're exchanging electronic mail on the Internet, SMTP is what keeps the process orderly.
It's a protocol that regulates what goes on between the mail servers.
http://www.cnet.com/Resources/Info/Glossary/Terms/smtp.html

  
 test.smtp.org
An SMTP interoperability machine has been setup for testing with the open source version of sendmail 8.13.
You can use this to see the results of your test and diagnose problems.
Do not use this machine to monitor your SMTP connectivity.
http://test.smtp.org

  
 Anti Virus for Exchange server
The gateway version should be deployed at the perimeter of the network as a mail relay server and scans inbound and outbound mail.
GFI MailSecurity is available as an SMTP gateway version and (in v.8 only) for VS API.
http://www.gfi.com/mailsecurity

  
 Stopping spam with the Anti-Spam-SMTP-Proxy (ASSP)
Furthermore, one spam-stopping solution could work with all existing SMTP servers if it was implemented on a second level -- a transparent SMTP filtering proxy.
The Anti-Spam SMTP Proxy (ASSP) Server project is an open source platform-independent SMTP Proxy server which implements whitelists and Bayesian filtering to rid the planet of the blight of unsolicited email (UCE).
The only way to minimize cost is to reject it at the initial point.
http://assp.sourceforge.net

  
 RFC 2554 (rfc2554) - SMTP Service Extension for Authentication
If the server rejects the authentication data, it SHOULD reject the AUTH command with a 535 reply unless a more specific error code, such as one listed in section 6, is appropriate.
The Authentication service extension (1) the name of the SMTP service extension is "Authentication" (2) the EHLO keyword value associated with this extension is "AUTH" (3) The AUTH EHLO keyword contains as a parameter a space separated list of the names of supported SASL mechanisms.
The client MUST discard any knowledge obtained from the server, such as the list of SMTP service extensions, which was not obtained from the SASL negotiation itself (with the exception that a client MAY compare the list of advertised SASL mechanisms before and after authentication in order to detect an active down-negotiation attack).
http://www.faqs.org/rfcs/rfc2554.html

  
 Best FREE POP3 and SMTP Email providers
All listed free email providers offer as a minimum free POP3 and SMTP services which means you can receive and send email with your favorite email software (like Microsoft Outlook Express, Eudora, Netscape Email and many others).
Here are instruction on how to setup Yahoo SMTP with various email client.
When we created this list we intended to help users to select the BEST service from hundreds of good and FREE email providers.
http://www.iopus.com/guides/bestpopsmtp.htm

  
 SMTP Proxy Homepage
This program comes in two versions (C and Java).
SMTP proxy is server, which allows sending mail by SMTP, if you do not have a direct access to real SMTP server.
Its configuration is much easier than normal SMTP relay server.
http://home.tiscali.cz:8080/~cz210552/smtpproxy.html

  
 [No title]
They cover today's SMTP implementations and the IETF SMTP specifications, including some SMTP extensions.
http://cr.yp.to/smtp.html

  
 Sender Policy Framework
SMTP receivers verify the envelope sender address against this information, and can distinguish authentic messages from forgeries before any message data is transmitted.
SPF is ushering in a new set of anti-spam systems, where email is spam unless proven otherwise.
Domain owners identify sending mail servers in DNS.
http://spf.pobox.com

  
 Pop-before-smtp Home
So it's much, much simpler to install and maintain, and it fails to address the needs of people with separate pop/imap and smtp servers.
http://popbsmtp.sourceforge.net

  
 Encyclopedia.it: E-mail
SMTP: Tutte le informazioni su SMTP su Encyclopedia.it
http://www.encyclopedia.it/internet/e-mail

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