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The technical answer is it's complicated. SMTP is chatty. Even when you use PIPELINING. It tends to send way more packets than HTTP. And while you can open one
by baudehlo 11y ago
The technical answer is it's complicated.
SMTP is chatty. Even when you use PIPELINING. It tends to send way more packets than HTTP. And while you can open one connection and send multiple mails through it, the likelihood of your client library doing that is pretty low, sadly.