O'Reilly logo

Postfix: The Definitive Guide by Kyle D. Dent

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Conventions Used in This Book

Items appearing in this book are sometimes given a special appearance to set them apart from the regular text. Here's how they look:

Italic

Used for commands, email addresses, URIs, filenames, emphasized text, first references to terms, and citations of books and articles.

Constant width

Used for literals, constant values, code listings, and XML markup.

Constant width italic

Used for replaceable parameter and variable names.

Constant width bold

Used to highlight the portion of a code listing being discussed.

Tip

These icons signify a tip, suggestion, or general note.

Warning

These icons indicate a warning or caution.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required