Hello, I followed the howto outlined here, pretty much to the letter, except I don't want to use roundcube: http://www.howtoforge.com/isp-mailserver-with-virtual-users-domains-postfix-dovecot-mysql-centos5.0 I use gmail as my client. When I give gmail my pop3s account, I get a message that POP3 access was denied for my username and password. Earlier I had it working with usernames/passwords stored in /etc/passwd and shadow. But I want to use mysql. Anyway, here are my configs. Any help would be greatly appreciated. I use the traditional UNIX style mbox formats (1 mailbox/user in /var/mail) Here are the versions: dovecot: 1.0.7 postfix: 2.6.5 saslauthd: from cyrus-sasl-lib-2.1.22-4 mysql: 5.0.22 dovecot.conf ========== base_dir = /var/run/dovecot/ protocols = pop3s listen = <IP ADDR OF MY POP3 HOST> disable_plaintext_auth = yes shutdown_clients = yes log_path = /var/log/dovecot.log log_timestamp = "%b %d %H:%M:%S " ssl_disable = no ssl_cert_file = /etc/pki/dovecot/certs/dovecot.pem ssl_key_file = /etc/pki/dovecot/private/dovecot.pem ssl_verify_client_cert = no ssl_parameters_regenerate = 168 ssl_cipher_list = ALL:!LOW:!SSLv2 verbose_ssl = yes login_dir = /var/run/dovecot/login login_chroot = yes login_user = dovecot login_process_size = 64 login_process_per_connection = yes login_processes_count = 3 login_max_processes_count = 128 login_max_connections = 256 login_greeting = Dovecot ready. login_log_format_elements = user=<%u> method=%m rip=%r lip=%l %c login_log_format = %$: %s mail_location = mbox:~/mail:INBOX=/var/mail/%n mail_privileged_group = mail mail_full_filesystem_access = no mail_debug = no mail_log_prefix = "%Us(%u): " mail_log_max_lines_per_sec = 10 mmap_disable = no mmap_no_write = no dotlock_use_excl = yes fsync_disable = no lock_method = fcntl mail_drop_priv_before_exec = no verbose_proctitle = yes first_valid_uid = 150 first_valid_gid = 150 max_mail_processes = 1024 mail_process_size = 256 mail_max_keyword_length = 50 valid_chroot_dirs = /var/mail:/home maildir_copy_with_hardlinks = yes mbox_read_locks = fcntl mbox_write_locks = fcntl mbox_lock_timeout = 300 mbox_dotlock_change_timeout = 120 mbox_dirty_syncs = yes mbox_lazy_writes = yes mbox_min_index_size = 0 protocol imap { } protocol pop3 { login_executable = /usr/libexec/dovecot/pop3-login mail_executable = /usr/libexec/dovecot/pop3 pop3_no_flag_updates = no pop3_enable_last = no pop3_reuse_xuidl = no pop3_lock_session = no pop3_uidl_format = %08Xu%08Xv pop3_logout_format = top=%t/%p, retr=%r/%b, del=%d/%m, size=%s ssl_listen = <MY IP ADDR>:995 } protocol lda { postmaster_address = postmaster@<MY DOMAINNAME> hostname = <MY HOSTNAME> sendmail_path = /usr/sbin/sendmail auth_socket_path = /var/run/dovecot/auth-master } auth_executable = /usr/libexec/dovecot/dovecot-auth auth_process_size = 256 auth_cache_size = 0 auth_cache_ttl = 3600 auth_username_chars = abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234567890 auth_worker_max_count = 30 auth_gssapi_hostname = <POP3 HOSTNAME> auth default { mechanisms = plain passdb sql { args = /etc/dovecot/mysql.conf } userdb sql { args = /etc/dovecot/mysql.conf } user = nobody socket listen { master { path = /var/run/dovecot/auth-master mode = 0600 user = vmail group = mail } client { path = /var/spool/postfix/private/auth mode = 0600 user = vmail group = mail } client { path = /var/spool/postfix/private/auth mode = 0660 user = postfix group = postfix } } } dict { } plugin { } /etc/dovecot/mysql.conf: =================== driver = mysql default_pass_scheme = plain connect = host=<IP OF MY DB SERVER> port=3306 dbname=mail user=mail password=<MY PWD> user_query = SELECT 'mbox:~/mail:INBOX=/var/mail/%n' as mail, 150 AS uid, 12 AS gid FROM mailbox WHERE username ='%u' AND active ='1' password_query = SELECT password FROM mailbox WHERE username = '%u' /usr/lib/sasl2/smtpd.conf: =================== pwcheck_method: saslauthd mech_list: plain login Thanks! Sandman