- Marketing
- Transactional
- Result of a user initiated action, order confirmation, password reset email etc.
- Drip camp
- Marketting emails initiated by some user action sent on a predetermined schedule
- envelope
- headers
- body
# envelope sender
mail from: [email protected]
# envelop recipient
rcpt to: [email protected]
data
# message headers
From: Foo<[email protected]>
To: Bar<[email protected]>
Reply-To: <[email protected]>
Subject: SPAM!
Catch me if you can!
.
- Blocklists (domain/IP addresses)
- SpamCop and SpamHaus
- IP/Domain Reputation
- Content Filtering
-
IP warm-up
- If you are going to be sending more emails than usual it is good to let your ESP know ahead of time they can "warm-up" your IP.
-
Dedicated IP's
- SendGrid recommends 1 IP per 10-15K daily sends
- separate IP's for marketing and transactional email
-
Mail lists higene
- low bounce rates
- low spam reports
- double opt-in
- honeypots on any public email sign-up forms
-
Don't buy email lists
- Illegally harvested emails (can lead to fines)
- Quickly get a lot of emails marked as spam (get in trouble with your ESP)
- Other people probably bought the same list
- Quickly ruin your repputation
- SPF (https://sendgrid.com/docs/Glossary/spf.html)
- DKIM (https://sendgrid.com/docs/Glossary/dkim.html)
(You can go without them, but you'll probably get better deliverability with)
- DMARC (https://sendgrid.com/blog/dmarc-domain-based-message-authentication-reporting-conformance/)
- used in combination with SPF and DKIM to tell receiving mail servers what to do with emails that fail SPF/DKIM
- nothing/quarantine/reject
- used in combination with SPF and DKIM to tell receiving mail servers what to do with emails that fail SPF/DKIM
- Open rates
- Click-through rates
- Unsibscribes
- Spam reports