LDAP: Add an alias domain

What an alias domain is used for?

Let's say you have a mail domain example.com hosted on your iRedMail server, if you add domain name domain.ltd as an alias domain of example.com, all emails sent to username@domain.ltd will be delivered to user username@example.com's mailbox.

Add alias domain with iRedAdmin-Pro

With iRedAdmin-Pro, you can simply add alias domain name in domain profile page, under tab Aliases.

Screenshot:

How to add an alias domain with phpLDAPadmin:

Login to phpLDAPadmin (https://[your_server]/phpldapadmin) as LDAP root dn (cn=Manager,dc=xx,dc=xx)
Find the LDAP object of your mail domain which you want to add alias domain in left panel of phpLDAPadmin, click the ldap object, phpLDAPadmin will show detailed LDAP attributes/values of this domain in right panel.
Add a new LDAP attribute domainAliasName to this domain account, set value to the alias domain (e.g. domain.com). Save your change.

Now you should add additional mail address for all mail users, lists, aliases. For example, if you have mail user user@example.com, you should add additional email address user@domain.ltd for this user. Steps:

Find the LDAP object of mail account which you want to add additional email address in left panel of phpLDAPadmin, for example, user user@example.com, click the ldap object, phpLDAPadmin will show detailed LDAP attributes/values in right panel.
Add a new LDAP attribute shadowAddress to this mail account, set value to user@domain.ltd. WARNING: You must user the same username part as original email address.
Save your change.

If you have several mail accounts (mail users, lists, aliases), you have to add additional email address for them all.

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