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   Freeware eMail CRM Maximize the life-time value of your clients and getting them to smile at you Art of eMail CRM Applying minimum efforts for maximum result, at the shortest time? emails eMail Bolts & Nuts Interesting emails stuff that you should  know eMail Broadcast FAQ's eMail Marketing Tips
Great email strategies to help you increase sales
 
 
 

Page 1/3 - RFC defined ESMTP Status Error Codes. The first number generally tells whether the server accepted the command and if it could manage

Page 2/3 - New enhanced ESMTP Status Error Codes and descriptions defined by RFC Protocol

Page 3/3 - (This page)  Request for Comment (RFC)

 

Request For Comment (RFC)
 A document outlining a standard and proposed standard to an existing standard. The protocols and standards that currently govern RFC are constantly changing and not limited to the following examples.

RFC 1939 Post Office Protocol – Version 3
 Version 3 is a standard internet protocol used for retrieving Internet email.

It is used by your email client i.e. Eudora, Netscape Communicator, MS Outlook, etc., to communicate with SMTP mail servers.
See rfc 821 for the basic specification of SMTP
 

rfc1123 for important additional information.
 http://sunsite.org.uk/rfc/rfc1123.txt

For information about enhanced status codes.
rfc1893   http://sunsite.org.uk/rfc/rfc1893.txt
 rfc2034   http://sunsite.org.uk/rfc/rfc2034.txt

 
ESMTP Status Error Codes Command Group for data receive reply codes
 
Definition of extension to the SMTP service RFC-821
 
Winsock Error Codes
 
Mail Object Error Message
eMail Bolts & Nuts FAQ's
How to manage and clean bounced undelivered emails? Understand why emails get bounced
How to use your desktop PCs as an email server and bypass your ISP email server, a simple process using a free mail server program
How to test your message and see if it gets deleted by broad based anti-spam filters?
A one page email course. Everything you wanted to know about emailing in a "nut shell"
Quick guide to: dig finger traceroute ping whois nslookup IP block FTP SMTP relay TCP/IP Port
How to embed email tracking code into your email? Invisible counters, scripts to track viewer
Send HTML or TEXT email using formatted HTML email, you can send an entire webpage
How to embed images into HTML email for faster emailing? Prevent displaying linked-site in recipient email client status bar
RFC defined ESMTP, SMTP Status Email Error Codes? These codes are used to provide informative explanations of error conditions
How email works?  Delivery of each email is done by your ISP mail server, first establishing a conversation through your recipient port 25
Some spiders visit site after site, collecting email addresses and controlling these rogue spiders spam bots or email harvesters with robot.txt
About TCP/IP and mail server port numbers? A number between 1 and 65535 which identifies to the receiving computer what function to perform
RFC index for further mail-related RFCs
 http://sunsite.org.uk/rfc/rfc-index.txt

rfc2821 for the basic specification of SMTP
 http://sunsite.org.uk/rfc/rfc2821.txt

RFC 821 Simple Mail Transfer Protocol (SMTP)
www.urz.uni-heidelberg.de/Netzdienste/Mail/rfc/rfc0821.txt

RFC 822 Standard for the format of ARPA Internet text messages
www.urz.uni-heidelberg.de/Netzdienste/Mail/rfc/rfc0822.txt

RFC 1123 Internet Host Requirements
www.urz.uni-heidelberg.de/Netzdienste/Mail/rfc/rfc1123.txt

RFC 1854 SMTP Service Extension for Command Pipelining

 RFC 1869 SMTP Service Extensions (ESMTP)
www.urz.uni-heidelberg.de/Netzdienste/Mail/rfc/rfc1869.txt

RFC 1891 SMTP Service Extension for Delivery Status Notifications
www.urz.uni-heidelberg.de/Netzdienste/Mail/rfc/rfc1891.txt

RFC 1892 Multipart/Report
www.urz.uni-heidelberg.de/Netzdienste/Mail/rfc/rfc0821.txt

RFC 1893 Mail System Status Codes
(about enhanced status codes)
www.urz.uni-heidelberg.de/Netzdienste/Mail/rfc/rfc1893.txt

RFC 1894 Delivery Status Notifications
www.urz.uni-heidelberg.de/Netzdienste/Mail/rfc/rfc1894.txt

RFC 2045 MIME Part One: Format of Internet Message Bodies

RFC 1985 SMTP Service Extension for Remote Message Queue Starting 
www.urz.uni-heidelberg.de/Netzdienste/Mail/rfc/rfc1985.txt

RFC 2034 SMTP Service Extension for Returning Enhanced Error Codes
 www.urz.uni-heidelberg.de/Netzdienste/Mail/rfc/rfc2034.txt

RFC 2045 MIME
www.urz.uni-heidelberg.de/Netzdienste/Mail/rfc/rfc2045.txt

RFC 2046 MIME Part Two: Media Types

RFC 1047 MIME Part Three: Message Header Extensions for Non-ASCII Text

RFC 2060 IMAP Version 4 rev 1

RFC 2476 Message Submission
www.urz.uni-heidelberg.de/Netzdienste/Mail/rfc/rfc2476.txt

RFC 2505 Anti Spam Recommendations
www.urz.uni-heidelberg.de/Netzdienste/Mail/rfc/rfc2505.txt

RFC 2554 SMTP Service Extension for Authentication
www.urz.uni-heidelberg.de/Netzdienste/Mail/rfc/rfc2554.txt

RFC 2635 Guidelines for Mass Unsolicited Mailings and Postings (Spam)
 www.urz.uni-heidelberg.de/Netzdienste/Mail/rfc/rfc2635.txt

References

RFC: Request For Comments--the 'laws' of the Internet http://www.faqs.org/rfcs/

RFC791 -- http://www.faqs.org/rfcs/rfc791.html

RFC1122 -- http://www.faqs.org/rfcs/rfc1122.html

RFC1918 -- http://www.faqs.org/rfcs/rfc1918.html

Technical tutorial
 http://oac3.hsc.uth.tmc.edu/staff/snewton/tcp-tutorial/

Page 1/3 - RFC defined ESMTP Status Error Codes. The first number generally tells whether the server accepted the command and if it could manage

Page 2/3 - (This page) New enhanced ESMTP Status Error Codes and descriptions defined by RFC Protocol

Page 3/3 - (this page) Request for Comment (RFC) A document outlining a standard and proposed standard to an existing standard.

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email tips
 
 
eMail Bolts & Nuts FAQ's
How to manage and clean bounced undelivered emails? Understand why emails get bounced
How to use your desktop PCs as an email server and bypass your ISP email server, a simple process using a free mail server program
How to test your message and see if it gets deleted by broad based anti-spam filters?
A one page email course. Everything you wanted to know about emailing in a "nut shell"
Quick guide to: dig finger traceroute ping whois nslookup IP block FTP SMTP relay TCP/IP Port
How to embed email tracking code into your email? Invisible counters, codes, scripts to track viewer
Send HTML or TEXT email using formatted HTML email, you can send an entire webpage
How to embed images into HTML email for faster emailing? Prevent displaying linked-site in recipient email client status bar
RFC defined ESMTP, SMTP Status Email Error Codes? These codes are used to provide informative explanations of error conditions
How email works?  Delivery of each email is done by your ISP mail server, first establishing a conversation through your recipient port 25
Some spiders visit site after site, collecting email addresses and controlling these rogue spiders spam bots or email harvesters with robot.txt
About TCP/IP and mail server port numbers? It is a number between 1 and 65535 which identifies to the receiving computer what function you want to perform

Spam-tracking 103 WHOIS tool nslookup and traceroute freeware download

 

whois.internic.net or network solutions are network registries to find out contact info for current domain or IP address

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nslookup a DNS tool that Perform forward and reverse DNS queries for the current address (this will usually give you the IP address of a hostname)

.

traceroute finds the route packets take between you and the selected address

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Email in a "nut shell" a one page course about emailing. Everything you wanted to know about emailing.

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How email works? Delivery of each email is done by your ISP mailserver establishing a conversation through (port 25) of your recipient mail server

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