Marketers say segmentation/targeting and list growth are their top email challenges,according torecent research fromClutch.

The reportwas based on data from a survey of 303 respondents who describe themselves as expert, advanced, or intermediate email marketers. All respondents work for companies with 100 or more employees (31% B2B, 69% B2C).

Tracking results ranks as marketers' third biggest email challenge (respondents were asked to pick their top three issues).

Personalization ranks fourth, followed by developing a strategy and retaining subscribers.

The most popular tactics for capturing email addresses are opt-in forms on websites (61% of respondents utilize),social media(60%), online purchase prompts (58%), and event/contest/loyalty registrations (53%).

About the research:The reportwas based on data from a survey of 303 respondents who describe themselves as expert, advanced, or intermediate email marketers. All respondents work for companies with 100 or more employees (31% B2B, 69% B2C).