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Sendmail to Qmail migration

This article explains how to migrate email accounts/mailboxes from a sendmail server to a Qmail server. A challenging task for any sysadmin implementing a Migration would be to migrate all the email accounts from one Mail server to another preserving all the settings, such as usernames and passwords.

This document helps you, only if your Qmail system is installed with VpopMail (not VmailMgr). Installing and configuring qmail+vpopmail is out of the scope of this article.(Refer to and to install Qmail and Vpopmail) This article exclusively covers only the Migration aspects.

Here is what you have.

* Sendmail server, the list of usernames, the corresponding system passwords (encrypted, not clearpasswords) and the Mailboxes
* Qmail server with VpopMail.