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Why your Email Bounces
March 14, 2006
—Jonathan Shubow Website: www.resume.engageboston.com
You click "send" and a few minutes later your Email bounces
back. Immediately you assume that there is something wrong with the
recipient's Email system. Why?
My extensive research indicates that for the most part, the problem
is on the sender's end, not the recipient's.
Bounce Message
First of all, most bounce messages, at least from my servers, contain
a message explaining why the Email was returned. All the sender
need do is take a moment to read the explanation contained in the
bounce
message to gain some insight as to what went wrong. However, it appears,
at this point the sender's reading ability somehow becomes disabled
and the sender picks up the phone and calls the recipient telling
him there is something wrong with his (the recipient's) Email system.
Mistakes
I found the most common reason the Email bounced is that the sender
made a typo in the recipients' Email address. Obviously if
you hit "reply" this
does not apply.
Forged Address or outgoing only
The next most common reason is the sender is trying
to
send
Email to an Email address that does not exist or does not accept
incoming Email. For example, many spammers forge their return address,
or a newsletter may not accept Email when you hit reply. Remember,
NEVER reply or send Email under any circumstance to someone you suspect
is a spammer. Most spammers ignore your request to stop sending
or remove your Email address; they simply move you to the top of
their "sucker
list".
Blacklisting
The third most common reason is a bit more difficult to explain.
The sender's Email server is "blacklisted" or is on a "blocklist".
Each Email server has a unique identity called an "IP address".
The IP address of your Email server can show up on a blacklist
maintained by several
blacklisting organizations. The exact reason your Email server gets
blacklisted can be many, however, it generally involves a history
of sending SPAM, viruses, or other untoward conduct.
Please note that most big providers like Verizon and Comcast maintain
many hundreds of servers. When you send Email, these providers
will use different servers at different times. This explains
why one Email will be received one moment, and another bounce the
next.
Hotmail & Yahoo!
The #1 sender of SPAM worldwide and thus the most blacklisted Email
system is Comcast. Running a close second is Yahoo!. The
rest of the big "throw-away" Email providers such as Hotmail and
Gmail are often blacklisted. You should avoid using a free
Email service
like Hotmail for sending important, business or professional Email.
Not only are they unreliable, but their use makes you look foolish
(e.g. "BigStevie34534@...") especially if you are in any
type of business.
Why are you promoting or advertising the Gmail or Hotmail domain
as opposed to your own? Where is your branding? (More
on that in another article.)
Verizon & Comcast
Using the big ISP's such as Verizon and Comcast present another issue.
These companies place more emphasis on profit rather than tracking
down the spammers on their networks and cleaning up their Email servers.
This takes time and money, something many providers
don't wish to expend on Email which they somehow do not regard as
their main or important function. Verizon
(The "Evil
Empire" as it is know throughout the IT community, a reference
to Verizon using Darth Vader as their spokesman) even refuses to
comply
with
international
standards
related
to computers
and servers.
It can be done however; RCN is a good example. RCN requires
authentication to send Email and does not allow its subscribers to
run their own
Email servers, a common source of SPAM. The result is that
in comparison, RCN is rarely blacklisted.
But I didn't send SPAM!
Well, what you mean is that you did
not knowingly send SPAM. Have you ever forwarded a chain letter
or joke Email to
another individual or a long list of recipients in the "cc" box?
Many of these Emails contain viruses that attempt to send
themselves to as many people as possible and send back the Email
address contained
in the recipient's address book. Alternatively once you forward
along a joke, you never know to whom it may subsequently be sent.
All it
takes is someone who does not find your joke amusing to report the
Email as unwanted and have it traced back to you!
Are you a "Zombie"?
You may unknowingly have a virus that turns your computer into a "zombie" sending
out SPAM at an alarming rate. One of these viruses was so bad
on the Comcast network that Hotmail, for a time, blocked
almost
all Email from Comcast servers. Even if you have an anti-virus
program you may be vulnerable. If this is the case you will
be blacklisted almost immediately.
If you suspect you have
a virus or want to
be sure your computer is clean, contact me and I will send you a
link to a site that will check your computer for free.
All Email is not created equal
If you are in business, or want to
be sure your Email works and your intended recipients actually receive
your Email, you need to find a reliable provider. (Note: complaining
to Verizon or Comcast will get you nowhere.)
Find a reliable Email provider
Additionally you must
practice safe Email. (More on this in another article.) Keep
your jokes, newsletters and discussion groups confined to your "throw-away" Email
account with Hotmail, etc. Use your new reliable Email provider
for important business Email.
If you need help finding a reliable
Email
service, please contact me.
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