What are you optimizing for? Connection time/overhead?
Optimizing for connection reuse since the overhead of creating connections is actually high for us. So we want to send as many messages as we can over a single connection before closing it. Naturally we don't want to cause unrest within the ecosphere by keeping connections open for too long. It would seem kind of pointless to keep a connection open for 10 minutes to save 2s of connection time, for example. Agreed, but when you are sending high volumes of email, optimizing the opening of a connection and reuse of a connection is worth us investigating. Not that we're the best neighbors in this regard, but we don't reuse connections for the vast majority of endpoints, just the highest by volume, and we only keep connections open for potential reuse for 30s. Appreciate the additional details. Ryan
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