I am running Plesk for Linux and I've noticed that emails are sent very very slow. As a result, emails are delayed..

I was able to research a fix to at least speed up the sending of emails in Plesk.

Login thru SSH and go to /etc/xinetd.d and edit the smtp_psa file.

The file should look like this:

service smtp
socket_type = stream
protocol = tcp
wait = no
disable = no
user = root
instances = UNLIMITED
server = /var/qmail/bin/tcp-env
server_args = /usr/sbin/rblsmtpd -r bl.spamcop.net -r cbl.abuseat.org -r sbl-xt.spamhaus.org /var/qmail/bin/relaylock /var/qmail/bin/qmail-smtpd /var/qmail/bin/smtp_auth /var/qmail/bin/true /var/qmail/bin/cmd5checkpw /var/qmail/bin/true

you are going to do is, add "-Rt0" (minus the quotes" ") to "server_args" so it will look like:

server_args = -Rt0 /usr/sbin/rblsmtpd -r bl.spamcop.net -r cbl.abuseat.org -r sbl-xt.spamhaus.org /var/qmail/bin/relaylock /var/qmail/bin/qmail-smtpd /var/qmail/bin/smtp_auth /var/qmail/bin/true /var/qmail/bin/cmd5checkpw /var/qmail/bin/true

Save the file, and restart xinetd:

/etc/init.d/xinetd restart

This should help speed up the sending of emails in Plesk.

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  1. Krisanta  

    November 8, 2008 at 3:18 AM

    Thanks for this post, got an idea on how to speed up sending out emails. But, got this problem, and afraid to do service restart to the server, but using Plesk, (Linux) I am trying to delete mail queues but after clicking on the mail queue the page shows nothing, but it says "Done".

    Thanks little gurl. This blog is awesome!