Jeff Jansen writes:
Can someone please explain to me the difference between the 'batchsize' file, the "maxrcpts" option in the 'bofh' file, and the "MAXRCPT" option in the 'module.esmtp' file?I thought "maxrcpts" controls the maximum number of smtp RCPT TO: recipients that courier will *accept* on an incoming message and MAXRCPT controls the maximum number of RCPT TO: recipients that courier will *send* on an outgoing message. But on further reading it looks like the sending side is actually set by the batchsize file. So what does MAXRCPT do? Or am I totally confused?
batchsize sets the total maximum limit of receipients for a message, without regarding to where the message came from, or where it is going. Larger number of recipients are split into multiple messages.
Since a message sent via SMTP obviously needs to be sent with a separate connection to each mail domain, and MAXRCPT sets the maximum number of recipients. Larger number of recipients to the same domain get split into multiple delivery attempts.
You are forgetting that a single message may get sent to more than one domain, or not via SMTP at all.
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