On Thu, Mar 20, 2014 at 12:01:36PM -0400, mizuki wrote:
> IMAP works just fine and they receive emails with no hiccup. Without much
> knowledge of windows mail client softwares, I assume the way windows mail
> clients made to communicate with server is different than other mail
> clients, But I do not understand why it will fail on different network.
They may want to use the "LOGIN" SASL mechanism, rather than "PLAIN".
Make sure you have that enabled.
> broken_sasl_auth_clients = yes
Good.
> smtpd_sasl_auth_enable = yes
> smtpd_sasl_path = inet:xxx.xxx.xxx.org:4000
> smtpd_sasl_type = dovecot
Is dovecot configured to support "LOGIN"? Make sure that connection
to dovecot is over a reasonably secure network, IPSEC tunnel or stunnel
with "verify=3". It carries user passwords.
> smtpd_tls_key_file = /etc/pki/mail/private/hostkey.pem
> smtpd_tls_mandatory_ciphers = high
I would leave this at "medium", otherwise you're disabling RC4,
which is the best cipher available on older Windows systems (Windows
XP).
> Can anyone advice why this is happening and what is the best way to fix
What SASL mechanisms are installed and enabled in dovecot?
--
Viktor.
