c# - Can't send mail from server -


we built asp.net app deployed on client's server, using smtp server.

i'm trying have elmah send error emails using erroremailmodule. uses smtp settings configured in web.config, somehow sending emails not working (nothing being sent).

the smtp settings configured this:

  <system.net>     <mailsettings>       <smtp from="support@xxxxxx.nl">         <network host="xxxxxxx.management.local" port="25" enablessl="true" defaultcredentials="true"/>       </smtp>     </mailsettings>   </system.net>

to test if problem elmah or config created little test application uses same setting , tries send email:

string = "support@xxxxxxxx.nl"; string = configurationmanager.appsettings["errorreportingemail"]; var message = new mailmessage(from, to, "test", "test"); var smtpclient = new smtpclient();  smtpclient.send(message);

this doesn't work either. smtpclient doesn't throw error, acts sent email, i'm not receiving anything.

i tried sending email using 2 different email testing tools, called mailtester , multimail, entered same smtp settings, , can send emails fine.

so question is: why can send emails these mail tester apps not asp.net app?

try set deliverymethod = network.

   <system.net>     <mailsettings>       <smtp from="support@xxxxxx.nl" deliverymethod="network">         <network host="xxxxxxx.management.local" port="25" enablessl="true" defaultcredentials="true"/>       </smtp>     </mailsettings>   </system.net>

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