Webuzo Email Server Fix for Mozilla Thunderbird and Outlook

Mozilla Thunderbird is a free, open source, cross-platform email, news, and chat client developed by the Mozilla Foundation and Microsoft Outlook is a personal information manager from Microsoft, available as a part of the Microsoft Office suite.

Follow the guides below to configure your email account created using Webuzo :

1) Mozilla Thunderbird

2) Microsoft Outlook

If at all you face a “550 Relay not permitted error” or “Authentication Error”, the steps below will fix them all.

Note : This Fix is applicable for CentOS 6.x

Exim Configurations
Open the Exim configuration using your favorite editor

1) auth_advertise_hosts
vi /etc/exim/exim.conf

Replace the line
auth_advertise_hosts =

by

auth_advertise_hosts = *

2) Enable Authenticators

Add the following right after “begin authenticators”

begin authenticators

dovecot_login:
driver = dovecot
public_name = LOGIN
server_socket = /var/run/dovecot/auth-client
# server_set_id = $auth1
server_mail_auth_condition = false

dovecot_plain:
driver = dovecot
public_name = PLAIN
server_socket = /var/run/dovecot/auth-client
# server_set_id = $auth1
server_mail_auth_condition = false

Save and file and Exim is all ready to be used.

Dovecot Configurations

1) Edit the file 10-auth.conf using your favorite editor.
vi /etc/dovecot/conf.d/10-auth.conf

Replace the line
auth_mechanisms = plain

by

auth_mechanisms = plain login

Save the file.

2) Edit the file 10-master.conf using your favorite editor.
vi /etc/dovecot/conf.d/10-master.conf

Replace the following
unix_listener auth-userdb {
#mode = 0600
#user =
#group =
}

by


#unix_listener auth-userdb {
#mode = 0600
#user =
#group =
#}

unix_listener auth-client {
mode = 0666
}

Save the file. That’s it !!!

Restart the Exim and Dovecot services

root > service dovecot restart
root > service exim restart

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