RUN report server service as user which can send mail.
change fist option in RS config which can run form Start menu.
in config file just enter smtp server,port, type 2 (sending) and from.
But work only if RS and mail server in one domain.
SAMPLE for config:
<RSEmailDPConfiguration>
<SMTPServer>mail.soft4me.ru</SMTPServer>
<SMTPServerPort>25</SMTPServerPort>
<SMTPAccountName></SMTPAccountName>
<SMTPConnectionTimeout></SMTPConnectionTimeout>
<SMTPServerPickupDirectory></SMTPServerPickupDirectory>
<SMTPUseSSL></SMTPUseSSL>
<SendUsing>2</SendUsing>
<SMTPAuthenticate></SMTPAuthenticate>
<From>
[email protected]</From>
<EmbeddedRenderFormats>
<RenderingExtension>MHTML</RenderingExtension>
</EmbeddedRenderFormats>
<PrivilegedUserRenderFormats></PrivilegedUserRenderFormats>
<ExcludedRenderFormats>
<RenderingExtension>HTMLOWC</RenderingExtension>
<RenderingExtension>NULL</RenderingExtension>
</ExcludedRenderFormats>
<SendEmailToUserAlias>FALSE</SendEmailToUserAlias>
<DefaultHostName></DefaultHostName>
<PermittedHosts>
<HostName></HostName>
<HostName></HostName>
</PermittedHosts>
</RSEmailDPConfiguration>