Gabriel Lai Yong Shern wrote:
Hi,
I'm using Qmail toaster as a relay server with MS Exchange server.
However, the emails going out to the internet from Qmail server was very
slow.
I have to qmailctl doqueue every time to force the delivery of emails. Per
day will have about 700 emails from the users queueing to go out to the
internet. And sometime it hangs. So I modify "concurrencyremote" from
value 100 to 1000 under /var/qmail/control/ it seems delivering emails
became faster, but somehow, it's still will hang under the queueing
portion.
How can I finetune, so that delivery of emails will become faster?
Can you check your DNS? It sounds like maybe it's having a DNS issue
trying to find the remote servers. Maybe also pieces of your
/var/log/qmail/send log?
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