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What is the Gateway?
The Clever AntiSpam /
AntiVirus Gateway stands as a first line of
defense against virus-infected messages that may
be harmful to your systems, and performs a
series of tests to determine if an email message
should be accepted. We rely on ETrust AntiVirus
from Computer Associates, with signature files
updated hourly as they become available. The
AntiSpam system is in strict adherence to the
SMTP Standards as stated in
RFC-2821 (Request For Comment, Final
Draft), and accepts or rejects messages based
on these guidelines, along with other filtering
techniques that have been developed and refined
over months of research and several
hundred-thousand processed messages. We
continue to monitor these mechanisms and
regularly update them to adapt to new
circumstances as the junk email environment
evolves.
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What is the short version of how it works?
By intercepting email messages during the
transmission process and rejecting those that
don't meet the standard. We have a flow
chart which shows you how the program works and
that can be seen
here.
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What is the detailed long version of how it works?
By intercepting email messages during the
transmission process and rejecting those that
don't meet the standard. We have a
detailed page located
here
with every specific function described and
explained.
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Won't some real messages get blocked.
Your concern is well
founded, and in fact some will.
In nearly every case, this is
due to some faulty configuration
at the sender, so you must look
there first. Every rejection
provides a reason in plain text
to the sending system, so at the
very least it will appear in
their transaction log. Some
better systems will even carry
that reason text back to the
original sender in the
postmaster bounce message they
receive.
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We're about to switch to
the gateway...what preparations
do we need to do in advance?
We strongly suggest sending
an advance email to as many
customers and vendors as
possible a few days before the
switch, and include a link to
the
primary document and this
FAQ. Please direct everyone to these
documents first, as most
all questions are answered
here. Otherwise, there are no
changes needed for mail clients
that are already properly
configured to send and receive
mail.
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I just
tried to send a
message from home to my customer
that's behind your gateway and
it came back to me. I know the
address is right...now what?
First check your settings in
your email client. For each
mail account you have there, the
SMTP mail server MUST match the
email address you're sending
from. You should not use an
address of someone@mycompany.com
when sending through your ISP
mail account. They won't match
and will likely fail. Change it
to your ISP email address, or
send mail through your company
mail server, but don't mix and
match.
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The message was sent
through my company mail server,
using my company email address,
but still it was returned...why?
Ask your network
administrator to check the mail
server logs for the rejection
reason. Usually this is because
some DNS record is missing or
inaccurate.
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I'm on a dial-up ISP that
apparently has port 25 blocked,
so I can't reach my company mail
server to route mail through
them. The only mail service I
can get to is the one at my ISP,
but I want my company email
address to be used...what should
I do?
Find another ISP that hasn't
taken such draconian measures,
or ask them to provide you a way
out to your company network.
Some will provide that and some
will not. As an alternative, it
may be possible to get your
company mail service to accept
connections from you on a
different port, one that isn't
blocked by your ISP.
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I don't have a network
administrator; I do things
myself and I know just enough to
keep my systems alive...any
suggestions?
Sure...get the logs handy
and call the help desk and we'll
try to assist you. We'll do
this one time for free, just to
be a good net neighbor. We also
offer fee-based ongoing network
support.
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The DNS was just
fixed and a message I sent
right after was still rejected
for the same reason...what
gives?
Give it time. The response
we got the last time might still
be in the system cache, and it
will expire eventually. If you
still get rejects in a couple of
hours contact the help desk to
have the cached entries cleared.
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I can send mail to
everyplace else, so the problem
must be at your end, right?
In
actuality, probably not. Many
networks that don't operate a
gateway have taken up the
practice of summarily discarding
mail based on a set of simple
rules, and not generating any
kind of return notification to
the sender (which can be
difficult since most junk mail
has forged sender information
anyway) so you may have no idea
how much of your mail is being
thrown out for the same reasons
we're rejecting it. At least
now you know there's a problem
and can see about fixing it.
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I'm not a spammer, why
don't you just whitelist me and
forget about it?
If we
did that for everyone there
would be little point in having
the gateway and all the spam
would be flooding in again. The
issues we reject for can be
fixed in a matter of minutes,
and will be much better for you
and your mail delivery here and
everywhere else. Besides, as
long as your mail looks like a
forgery, we have no reason to
accept it, whitelisted or not.
Even when you are whitelisted,
you still have get through the
initial phases of the process
because we can't have spammers
impersonating you and getting
their junk through the system.
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Email is critical to my
business... I can't miss a single
real message! Can't you just
block the junk and deliver the
rest?
The resources that would be
required to hand process every
piece of email for you would be
significant, but not
insurmountable. Please contact
us directly for a quote on a
term contract for this service.
Otherwise, please realize that
if your business model defines
email as a crucial element, your
plan is inherently flawed. SMTP
is a "fire and forget" protocol,
subject to all manner of
disruptions, faults, network
outages, etc. and should never
be relied upon for anything even
remotely mission critical. It's
a tool of convenience, that's
all. It's generally cheaper and
faster than a fax or overnight
letter, and most of the time it
works pretty well, but you
should always have something
else acting in concert with
email to support your business
activities.
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I just signed up online
for some free stuff...when
should I expect to get my
confirmation email from them?
Depending on who you gave
your email address to, maybe
never. There are a great number
of websites that offer "free
stuff" that are really just
harvesting your email address to
be sold to every spammer on the
internet, despite what you think
you read in their privacy
policy. There is no free lunch;
there's always an end game for
them. If you really want that
free stuff, get a throw-away
freebie personal account with
yahoo or hotmail for that, and
then sit back and watch and see
how much junk magically appears
on a brand new account within
hours. These domains and
networks are probably in our
blacklist by now, and some of
them we won't even answer DNS
requests for. Please also try
to remember that the services we
offer are targeted toward
commercial business clients
versus consumer individuals.
The commercial market segment is
considerably less tolerant of
personal use of company
resources on company time,
therefore the system is tuned to
be more aggressive against
non-commercial business-related
content.
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My friend tried to send
me an online greeting card but I
never got it...what happened?
Please tell your friend that
disclosing your email address to
a third party without your
approval was a breach in your
privacy, regardless of good
intentions. Not long ago there
was a very popular greeting card
site that had very elegant
top-drawer graphics and
tug-the-heart-string messages,
but it should have, since it was
well funded by one of the
largest XXX porn operations in
the world. Sure, the greeting
card was delivered, but only to
the end of confirming that the
address was valid, and to invite
the unsuspecting recipient to
send a card of their own, giving
them yet another email address,
and so it cascaded. Within
days, the same people that got
and sent all those greeting
cards also mysteriously received
all manner of junk ads and xxx
porn promotions, many to
children who got the original
card from a well-meaning
relative that didn't know
better. The whole reason the
greeting card site existed was
to provide fresh email lists to
porn and spam promoters. Please
hear this...you have no right to
give out anyone's email address,
period. Don't use those all too
convenient "Email To A Friend"
boxes on websites, and don't
sign anyone up for anything
online. Instead send them a
personal email through regular
channels with the website link
or information and let them
decide what they want to sign up
for. You'll see tempting offers
for movie tickets, restaurant
coupons, etc. and all you have
to do is "Invite A Friend".
Think about that a
minute...there's a catch, right?
Darn right. Would you give out
your private phone number so
easily? Or anyone else's?
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I received a
message with [FORGERY] in the subject line. What
does this mean?
If the sender's email settings in their
email program (Outlook, Outlook Express, Eudora,
etc.) are incorrectly set, then the
email will be labeled with a [FORGERY] tag in the subject
line of the email that goes through our system. Since
forged email addresses are used by 100% of the spam / bulk
email senders, the last thing anyone would want
to do is have their real email look like a
spammer's forged address.
Resolution:
Our clients can email the sender
of the email that was tagged the
following link to this article so they can see how to
resolve the issue themselves. Just cut and paste
this link into an email message you send to them
to alert them of their email settings problem:
http://telesites.net/antispam/faqs.tele#message_with_[FORGERY]_in_the_subject_line
then they will be directed to this same page and
see the following fix for their settings issue.
The sender should check their
email settings within their email program
(Outlook, Outlook Express, Eudora, etc.) to make sure that the
"POP3 and SMTP servers" are correctly
configured.
If your email service is
provided by a email service (hotmail, yahoo,
etc.) or your Internet Service Provider (cable,
DSL, etc.) then you will need to check their web
site or contact their tech support for the exact
settings you should be using in order NOT to be
forging the email address. For example: the POP3
inbound server is entered as
email.earthlink.net
and the SMTP outbound server is entered as
mail.hotmail.com.
If these two settings look different then this
is most likely the problem. A call to your
Email Service Provider (in most cases your ISP) can get you the correct settings and resolve the
issue very quickly. Most companies have
these common "server settings" listed on their
web site.
If the email is
provided through a web site hosting company
(your email is similar to your web site domain
name - i.e.: name@YourDomainName.com)
then you can get the correct settings from your
web site hosting company.
In most all cases these two settings should look
something like this:
POP3.YourDomainName.com and
SMTP.YourDomainName.com
or sometimes match with both of them being
something like:
MAIL.YourDomainName.com.
Once the sender has corrected these settings
within the sender's email program you will see the results immediately
as mail that was previously being marked as
FORGERY will no longer be marked that way in the
subject line when it is delivered through our
email services.
TELEsites.net provides this
information as a courtesy service and the
sender's problem has nothing to do with our
services but is caused by broken settings within
the sender's email program. As such, we do
not provide tech support to help resolve these
issues. The sender should contact their
email service provider's tech support staff for
assistance. They can resolve the issue in
only a few minutes.
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Someone tried to send me an email and they
got a message back that it was undeliverable.
What can I do?
Send them to this section of
this page by giving them the following link:
http://telesites.net/antispam/faqs.tele#Someone_tried_to_send_me_an_email
(cut and paste it into an email). In almost
all cases they can get your email with no problem.
The main reason we reject messages to our
email services is mostly for severe DNS
problems, attachments that aren't allowed and
virus infected messages. These messages
are denied right at the main entrance into our
system at the Anti-Virus Anti-Spam Gateway.
They automatically send a message back to the
sender's system saying "undeliverable."
The message also contains all the information as
to why it was undeliverable but different email
services accept this information differently.
Some will send forward all the information to
the sender while others will only forward a
message with no reason mentioned just
"undeliverable."
For any rejection, the first place for the
sender to look is in the "postmaster bounce" for
a transcript which will include the rejection
reason. Regardless of whether the transcript is
there or not, the sender will need to contact
whoever manages email and DNS service for them
and have that administrator or tech support
person review the transcript or look in the mail
server logs for the transcript of the failed
attempt, and pursue corrective action from the
rejection message.
The rejection messages we send are
intentionally vividly clear on what's wrong, at
least to someone accustomed to dealing with
email logs and DNS and domain configurations,
which is why it's of key importance to get the
administration person involved at the earliest
point.
With email not being delivered, a phone
number needs to be available for the network
admin to call for any additional information
they need to resolve the issue. You can contact
our email server tech support staff at the
following toll-free number 888-528-2771 (please
note this is for this specific problem only and
other support issues should go through the
normal channels). The senders should have
their administrator or tech support person call
and when they do we will look up the transaction
record and advise them on what their options
are.
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