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→OVERVIEW & PREPARATION
You will begin by modifying the existing '''Postfix''' ('''MTA''') servers to make mail they send come from your domain (instead of each machine). Then you will add a record to your DNS server to allow mail to be sent to the domain itself, instead of the individual machines. Next, you will add a Local Delivery Agent ('''LDA''') to your '''vm3''' by installing '''dovecot-lda''', configure it, and test it to make sure that is is working correctly.
Finally, you will set up an '''IMAP''' server called '''Dovecot''' on your '''vm3''' machine, so you can read your email from an MUA such as ''Thunderbird'' or a ''Webmail'' application (such as Roundcube). You will set up a webmail application called Roundcube in a later in Lab 8lab).
=== Services involved in email delivery ===
