Are all ESPs equally deliverable?
Myth: False. Different ESPs have different deliverability characteristics based on infrastructure quality, **IP reputation** pools, compliance enforcement, and provider relationships.
Quality ESPs invest in deliverability: clean IPs, proactive monitoring, enforcement of standards. Budget ESPs may lack these investments, affecting results.
Research **ESP** deliverability track records. Your practices matter most, but **ESP** infrastructure affects baseline performance, especially for senders on shared IPs.
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