We have people that travel and I've been annoyed a lot with some hotels using ISPs that block SMTP port 25 traffic. The solution is having to talk the users through changing the default SMTP server ...

This list is a companion piece to the Secure Web server installation portion of SearchSecurity.com's Intrusion Defense School lesson on Web attack prevention and defense. Check out the companion ...

Subject does most of the work here, but I'll expand. [edit] Maybe if I had just RTFM'd harder I would've found my answers... I think this will help, but leaving the post up in case anybody else has ...

意外と知らないメールサーバ構築・運用の基本（5）： 前回、Windows Serverの次期バージョン（vNext）のプレビュー版で「SMTPサーバ」の機能が削除されたことをお伝えしました。せっかくプレビュー版をインストールしたので、筆者が主にWindows Server 2022につい ...

Typically refers to an email server (SMTP server) that is configured to deliver any incoming mail to another mail server. In the past, open relays (open relay servers) were common, but today, most ...

We're having problems with open relay on Microsoft Exchange Server 2000. We tried to shut down SMTP, clean out queues, turn off relaying, etc., but nothing worked. For a quick fix, we set up a ...

米連邦・州当局は米国時間5月15日、新たな積極的スパム撲滅策として、ジャンクメールを大量に配信する際の経路となる「オープンリレー」サーバの特定に乗り出すことを表明した。 米当局はテキサス州ダラスでのイベントの席で、オーストラリア、カナダ ...