Unverified50% confidenceFactExact time
ESP is the abbreviation of Email Service Provider, referring to third-party email sending and marketing automation platforms such as Mailchimp, Klaviyo, SendGrid and HubSpot.
1
Sources
50%
Confidence
Long-term
Relevance
10/15/2026
First Seen
Sources
Superdraft: Using AI to Automatically Discover Customer Email Opportunities
producthuntProductHunt Daily10/15/2026
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