Email Marketing Deliverability Guidelines

The biggest obstacle for most email marketers isSending to a purchased or rented list will almost
generally message delivery. Messages that are eitheralways result in poor delivery. List vendors sell or rent
blocked or sent to a 'junk' folder by the ISPsthe same lists to numerous people, so complaints will
(internet service providers - who manage incomingbe high and open rates low.
mail for their account holders) is a major waste of2) Email content and design also play an important
marketing resources and directly affects anrole in message delivery. Message design should have
organization's bottom line. To fully maximize emaila professional look with the sender's brand clearly and
delivery, it is important to understand why deliveryquickly identifiable. The content has to be relevant to
can be a problem and what impacts delivery.the person receiving the message, and the message
The following guide is designed for marketers whoshould be presented in an organized manner. Make
want to better understand the challenges of emailsure the subject line matches the content and its
marketing, and want to benefit from using the 'bestpurpose. And lastly, the 'from address' needs to be
practices' outlined by the email industry.recognizable by the recipient.
Why delivery can be a problem3) Spam complaints are the next important factor in
Today, legitimate email makes up a very smallemail delivery. ISPs monitor complaints very carefully,
fraction of the total email volume received by ISPs.making this the number one reason why emails will
One of the main priorities of ISPs is to protect theirnot get through to major ISPs.
account holders from unwanted email. The ISPs areWhat is a complaint?
spending a lot of time and resources to ensureA complaint is generated when someone who has
unwanted messages do not get delivered, and fromreceived an email reports it as unwanted,
the following statistics you can see why:unrequested, or for whatever reason considers it as
In 2002, 25% of the total mail volume received byspam. Many ISPs such as AOL, Yahoo, and Hotmail
the ISPs was considered spammake it very easy for their account holders to report
In 2009, 95% of total mail volume received by thea complaint with just the click of a button.
ISPs was considered spamMajor ISPs now have a reporting mechanism called a
Since the ISPs are often times implementing newFeedback loop. The member, who doesn't know you
technology, legitimate email marketers canas a sender or does not want your message, simply
unfortunately find that their messages have beenclicks on the Spam or Junk button, and then the ISP
flagged as spam, and are not being delivered to listcommunicates this back to the Email Service Provider
members. The good news is that ISPs acknowledge(ESP).
the difference between legitimate and non-legitimateAn email marketer's complaint rate needs to remain
email marketers, and they are almost always willingbelow 0.1% - that is only 1 complaint per 1,000
to work with legitimate marketers on improvingmessages sent to any single domain. Higher
deliverability.complaints can result in delivery problems.
What impacts deliveryReasons for complaints are fairly straightforward:
There are primarily four variables that impact emailMessage was not requested - Only send to people
delivery:who have directly requested your mailings
1) The quality of the marketer's list of emailPoor subject line or unfamiliar FROM name - Don't try
addresses is extremely important! The ideal situationto trick someone into reading your email
is to send emails only to a clean list: A list with minimalIrrelevant Content - The user is not interested in
invalid addresses; every address on the list haswhat you are sending
requested (opted-in) the sender's message; and theLong lag in communication - You haven't emailed your
list has been mailed to regularly.list in a long time
Make sure the following has been done - especiallyHigh email frequency - Sending too many emails in
when switching to a new email marketing solution:too short a period
All addresses that have previously bounced as invalid4) Your sender reputation as an email marketer has
or nonexistent are not mailed to again.now become a key factor for successful
All unsubscribe requests are honored and not maileddeliverability.
to in the future.Email filtering is designed to stop the bad emails and
Role account email addresses are not mailed to. Rolelet the good ones through. So if you have a
account addresses are email addresses that normallyreputation for sending legitimate emails, then your
do not (or rarely) subscribe to mailing lists. Examplesemails will get through to the inbox. Reputation is
include abuse@, admin@, billing@, info@, jobs@,based on two areas: your company and the domains
news@, postmaster@, sales@, support@, andassociated with your company, and the IP addresses
webmaster@. These types of addresses are usuallyused to send your emails. Building a good sending
harvested directly from websites.reputation takes time, and the only way to build it is
Always know the direct source of any emailby sending only legitimate emails and following these
addresses added to your mailing list. Many poorlybest practices: Send legitimate emails to clean lists
maintained lists contain spam trap addresses. A spamand don't get complaints.
trap is an email address that exists solely for theRecipient engagement has a big impact on a sender's
purpose of luring in spam. The trap is to havereputation. Engagement is measured by certain
addresses that are not used for communication (soactions a message recipient takes that show the ISP
they would never opt-in to a mailing list) readilywhether the message was wanted or not.
available to marketers who purchase email lists orPositive engagement:
harvest email addresses from the web. Once theRecipients are marking the message as 'not spam' if
spam trap is sent to, the ISP or reputation monitoringit goes to the spam folder
service presumes the marketer is not using legitimateRecipients are opening messages. The ISPs know if
list building practices. The presence of even oneany message has been opened.
spam trap can cause major delivery problems. TheRecipients are clicking on the links in the message.
only way to prevent the presence of a spam trapRecipients are adding the sender's 'from address' to
address is to only mail to addresses that havetheir contact list.
directly opted-in to the actual list that is doing theNegative engagement:
mailing.A high percentage of recipients are hitting the spam
There is no list of known spam trap addresses. Theybutton to register a complaint.
are always kept secret, so removing them can beA high percentage of messages are being deleted
difficult. The removal process consists of building awithout being opened.
new list with addresses that have either opened aA low open rate
previous message or clicked on any link within aFollowing these tips will give your message a better
message (spam trap addresses will never open achance of not only being delivered to the intended
message or click on a link within a message), andaudience, but also absorbed by the people with
then re-opting-in every remaining member of the list.whom you want to connect!