> On Mar 27, 2017, at 2:27 PM, Roberto Carna <robertocarn...@gmail.com> wrote: > > Dear, yesterday I realized that the mail queue of my SMTP relay server > is about 110.000 mails,
http://www.postfix.org/QSHAPE_README.html > and the warning log file tell me: > > Mar 20 10:00:08 RELAY1 postfix/qmgr[55666]: warning: mail for > [10.0.0.1] is using up 20000 of 20000 active queue entries The relay at 10.0.0.1 is not able to process your mail quickly enough. See QSHAPE_README and try to find out why from your logs. -- Viktor.