LFCS Question #45: Real Exam Question with Answer & Explanation

Question

What is true regarding the file ~/.forward?

Options

• AAs it is owned by the MTA and not writable by the user, it must be edited using the editaliases
• BAfter editing ~/.forward the user must run newaliases to make the mail server aware of the
• CUsing ~/.forward, root may configure any email address whereas all other users may configure
• DWhen configured correctly, ~/.forward can be used to forward each incoming mail to more than

Explanation

The ~/.forward file is a user-specific configuration that allows incoming emails to be redirected to one or more alternative email addresses or even piped to a program. This file is processed by the local Mail Delivery Agent (MDA) for each user.

Common mistakes.

• A. The ~/.forward file is owned by the user and is intended to be writable and editable by the user directly, not by editaliases.
• B. The newaliases command is used to rebuild the system-wide mail aliases database and is not required for changes to a user's ~/.forward file to take effect.
• C. The ~/.forward file is user-specific; any user can configure forwarding to any valid email address, subject to MTA security restrictions, not just root.

Concept tested. User mail forwarding (~/.forward)

Reference. https://linux.die.net/man/5/forward

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