This document discusses deliverability and privacy essentials that email marketers need to know. It covers key topics like what deliverability means, how to minimize bounces and spam complaints, the importance of authentication using SPF, DKIM and DMARC, list management best practices, and signals that affect how email is filtered by major email providers like Gmail and Outlook. The document emphasizes that getting email delivered to subscribers' inboxes is crucial for metrics like opens, clicks and conversions, and that deliverability is constantly evolving requiring marketers to regularly check their email health.
3. What is Deliverability?
Delivered is the way to
measure that the email was
accepted by the recipients
mail server.
Deliverability is getting to the
inbox and measuring the
open/click statistics.
Getting your email into your
subscribers inbox is the only
way to get opens, clicks, and
conversions!
Deliverability is constantly
changing and evolving.
6. Bounces
Hard bounces
Occurs when the email server rejects
the email due to permanent
conditions.
Examples include a bad mailbox, bad
domain.
Soft bounces
Occurs when the email server rejects
the email due to a temporary
condition.
Examples include a mailbox full,
temporary ISP block.
Bounce rates affect your reputation.
If youre bounce rates are too high,
the ISP may think you are trying to
spam them and may block your
domain or IP address.
There is no magic number that
can get you blocked/bulked.
8. Spam Traps
Spam Traps are real email
addresses that dont bounce.
Often ISPs will take over
abandoned email addresses and
turn those into spam traps.
Set up and monitored by blacklists.
How do you minimize the risk of
hitting a spam trap on your list?
First, use explicit opt-in methods
(unchecked boxes) when you capture
names. To be doubly sure use
double opt-in, where the subscriber
has to confirm their address before
they are actually added to your list.
Second, scrub your list regularly.
11. Authentication Your Passport to the Network
IP and domain
authentication are very
important when sending
B2B emails.
SPF
IP Authentication
DNS TXT record update
supplied by your MAP or ESP.
DKIM
Domain Authentication
DNS TXT record update
supplied by your MAP or ESP.
12. DMARC
DMARC- (Domain-based Message Authentication,
Reporting and Conformance) is an email validation
system designed to detect and prevent email spoofing
DMARC is built on top of two existing mechanisms:
Sender Policy Framework (SPF)
and DomainKeys Identified Mail (DKIM)
16. Microsoft (Hotmail, Outlook, MSN, Live) SNDS
The Microsoft Smart Network Data Services (SNDS)
gives you the data you need to understand and
improve your reputation at Microsoft.
Data includes filtering color, complaint rate, and
spam trap hits.
18. Sending Volumes
Sending volumes to smaller
domains is key to getting
delivered.
Major ISPs publish rate limits and
connection settings.
B2B and smaller B2C domains do
not publish these settings.
Key is to send smaller volumes to
not flood the recipients mail
server.
Get whitelisted, if possible.
Communicate this with your
subscribers!
21. 5 Takeaways
Over 20% of marketing emails never make it to a
subscribers inbox
47% of subscribers use the "spam" button to unsubscribe
77% of marketers experience emails being diverted to
the spam folder
Nearly 49% of email recipients have email accounts for
messages they rarely intend to open
Many URL shorteners are on blacklists. Dont use them!
22. Bounce Log Checks - Highlights
smtp;550 5.2.3 RESOLVER.RST.RecipSizeLimit;
message too large for this recipient
Blocked Using Spam Pattern, Your Message May
Contain The Spam Contents
[internal] No valid hosts (too many connection
failures)
smtp; 421 4.4.0 [internal] no MXs for this domain
could be reached at this time