Am 11.03.2013 09:30, schrieb pedro figueiredo: > i have a centos box (vps) with sendmail and i'am using it to > send a newsletter to mail clients. > > I'am using a machine in my local network to send the e-mails > via SMTP (AUTH PLAIN) but after sending some e-mail (35 .. 50) > the connection starts to get closed by the server > (centos/sendmail) > > I've searched google for a limit configuration on number of > e-mails in sendmail but didn't find anything. > > any ideias on what configuration can i use to allow me to > send more e-mails? Read your maillog. It will for sure tell you why the acceptance of mails stops. Typically that is due to the load level. Sendmail comes with such a feature which is configurable. https://www.sendmail.com/sm/open_source/docs/m4/tweaking_config.html#confREFUSE_LA Alexander