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eMail Bolts & Nuts
Frequent Ask Questions How to manage and clean bounced or undelivered emails? Understand why emails get bounced and how to manage them How to use your desktop PCs as an email server?
A one page course on
emailing
How to test
your message and see if it gets deleted
With email abuse growing at an
exponential rate, and with
Should I send HTML or TEXT email
message? How to embed email
tracking code into your email? How to embed images into HTML email for faster emailing? RFC defined ESMTP, SMTP Status Email Error Codes? Some spiders visit site after site, collecting email addresses How email works? Delivery of each email is done What
is the function of URL or Uniform Resource Locator? |
How do I
"relay" my emails To send emails via a third part mail server (open relay), you must first check if that SMTP mail server allows it--by using a mail server SMTP Relay Check tool to probe whether the SMTP mail server is insecure (therefore allowing anyone to use it as an open relay for relaying emails. Assuming that the mail server is not secured (open relay), you can never be sure whether it will really accept relayed emails or not because they could be accepted but were (dumped) discarded instead without your knowledge and the only way to be sure is to relay an email back to yourself. Open relays are easily detected by ISP mail serves filtering the BCC: field, which is the most favored method used by spammers to send hundreds (millions) of thousands emails with just one email message--otherwise they will have to send each email one by one, addressing each recipient by the To: field and having to maintain their own expensive high speed mail servers that would limit their spamming activities. |
eMail Bolts & Nuts
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Collections of important useful emails related sites?
Email history, email
netiquette, improving email
Quick reference guide to: dig, finger, traceroute, ping, About TCP/IP and mail server port numbers?
Meet The Kings of SPAM - You don't need rocket science? Advanced DNS (dig) info for the DNS records of a All about IP Addresses, DNS and Internet addressing? A standard client server protocol for receiving email. Never use ISPs that
hosts your web site to send out newsletter. Warning: If you publish an online newsletter or email to any 101 Email spam tracking and meaning of message header? The history of Spam starts with episode 25? A list of return error codes by Windows Sockets API |
What is an IP address or email domain address? IP address are numeric numbers (example: 151.196.75.10 and not mydomain.com) that represents a location on the internet, most web site has a domain name (ie: mydomain.com) linked to an IP address that emails can be sent to.
IP addresses
are
allocated to companies and ISPs in blocks. Anyone can find out who
administers a block of addresses or the owner of a domain address by using an IP Block
whois tool to query the Internic database. Nslookup is used to find what your server IP address is. Use windows DOS "Command Prompt" (click Start/Programs/Accessories), when the DOS screen opens, at the prompt enter nslookup followed by the name of the domain. Example - if your domain is mailsbroadcast.com enter; Nslookup mailsbroadcast.com [enter] to display your domain IP address. More info about nslookup DNS (Domain Name System) is a distributed domain based naming system database that can be query to identify....Continue...read more |
