It so makes sense, thankx Len this list rules! >From: Len Conrad <[EMAIL PROTECTED]> >Reply-To: [EMAIL PROTECTED] >To: [EMAIL PROTECTED] >Subject: Re: [imail] SMTP problems >Date: Sat, 26 Aug 2000 09:32:13 +0200 > > >>Recent SPAM attacks to my IMail server forced me to shut down the >>"relay to anyone" option on the SMTP Security options. > >no kidding!! > >>Since then POP3 accounts can not send mail... > >>"The message could not be sent because one of the recipients was >>rejected by the server. The rejected e-mail address was >>'[EMAIL PROTECTED]'. Subject 'test', Account: 'Andre', Server: >>'server.com', Protocol: SMTP, Server Response: '550 not local host >>host.com, not a gateway', Port: 25, Secure(SSL): No, Server Error: >>550, Error Number: 0x800CCC79" > >>any wise advice?... anyone?...please... > >With Imail, you only have exactly one 'relay option' setting that's >secures Imail against relay hijacking: "relay for addresses", and >enter your "trusted" ip blocks. Since the better class of spammers >know who to spoof ip addresses, your gateway/border router must be >setup to block spoofing of your 'inside' addresses. > >In Imail, UNcheck SMTP AUTH reporting. This requires anybody wanting >to relay mail (send mail to non-Imail domains) to have successfully >logged in with their account name and password, preferably CRAM-MD5 >rather than LOGIN cleartext. When the login is successful, Imail will >log a line something like 'treated as local', meaning Imail trusts >this connection and will relay all mail, rather than give the fatal >error of '550 not local host host.com, not a gateway'. > >All of your mail users will have to set their mail programs, "SMTP >server for sending mail" to login. > >Len > > >http://BIND8NT.MEIway.com: ISC BIND 8.2.2 p5 installable binary for NT4 >http://IMGate.MEIway.com: Build free, hi-perf, anti-spam mail gateways > > > > >______________________________________________________________________ >The HKSI-IMail Admin List is hosted by........ Humankind Systems, Inc. >Questions, Comments or Glowing Praise...... mailto:[EMAIL PROTECTED] >Searchable List Archive.... http://www.mail-archive.com/[email protected] >To Manage your Subscription......... http://humankindsystems.com/lists ________________________________________________________________________ Get Your Private, Free E-mail from MSN Hotmail at http://www.hotmail.com ______________________________________________________________________ The HKSI-IMail Admin List is hosted by........ Humankind Systems, Inc. Questions, Comments or Glowing Praise...... mailto:[EMAIL PROTECTED] Searchable List Archive.... http://www.mail-archive.com/[email protected] To Manage your Subscription......... http://humankindsystems.com/lists
