Email Marketing Email Deliverability 2

Question 1

What does DKIM stand for?

Accepted Answer

Domain Keys Identified Mail

Answer

DKIM (DomainKeys Identified Mail) adds a cryptographic signature to email headers to verify the sender's domain.

Question 2

Which metric directly reflects your sender reputation with ISPs?

Accepted Answer

Sender score

Answer

A sender score (0–100) is assigned by services like Validity and reflects how ISPs perceive your sending reputation.

Question 3

What is the recommended maximum hard bounce rate to maintain good deliverability?

Accepted Answer

2%

Answer

Keeping hard bounces below 2% is the general industry standard to avoid deliverability problems and ISP blocks.

Question 4

What does 'inbox placement rate' measure?

Accepted Answer

The percentage of delivered emails that land in the inbox vs spam

Answer

Inbox placement rate measures how many of your successfully delivered emails actually land in the inbox rather than spam or promotions folders.

Question 5

Which practice most directly improves email deliverability for a new sending domain?

Accepted Answer

IP warming

Answer

IP warming gradually increases sending volume from a new IP to build a positive reputation with ISPs before sending at full volume.

Email Marketing Practice Test