Hi folks, Ubuntu LAMP 6.06 amd64, headless Postfix cyrus-admin-2.2 cyrus-clients-2.2 cyrus-common-2.2 cyrus-imapd-2.2 cyrus-pop3d-2.2 libcyrus-imap-perl22 libsasl2 MySQL SquirrelMail I have been fighting several days on following problem. The LAMP server is working. Users can send/receive mails on SquirrelMail. Also running "telnet localhost 25" on Xterm mails can be sent to/received by outside world. However users can't send mail via the server on their mail client, Evolution. Always complaining; Unable to authenticate to SMTP server. Bad authentication response from server. Please enter the SMTP password for user_aaa on host domain.com * end * On the server Xterm $ tail /var/log/mail.log Jul 16 10:00:54 satimis cyrus/ctl_cyrusdb[3848]: done checkpointing cyrus databases Jul 16 10:00:54 satimis cyrus/master[3841]: process 3848 exited, status 0 Jul 16 10:00:59 satimis postfix/master[4131]: daemon started -- version 2.2.10, configuration /etc/postfix Jul 16 10:03:01 satimis postfix/smtpd[4406]: connect from unknown[220.232.213.178] Jul 16 10:03:20 satimis postfix/smtpd[4406]: warning: SASL authentication problem: unable to open Berkeley db /etc/sasldb2: No such file or directory Jul 16 10:03:20 satimis postfix/smtpd[4406]: warning: SASL authentication problem: unable to open Berkeley db /etc/sasldb2: No such file or directory Jul 16 10:03:20 satimis postfix/smtpd[4406]: warning: SASL authentication failure: Password verification failed Jul 16 10:03:20 satimis postfix/smtpd[4406]: warning: unknown[220.232.213.178]: SASL PLAIN authentication failed Jul 16 10:08:20 satimis postfix/smtpd[4406]: timeout after AUTH from unknown[220.232.213.178] Jul 16 10:08:20 satimis postfix/smtpd[4406]: disconnect from unknown[220.232.213.178] * end * $ tail /var/log/mail.err Jul 12 14:21:48 satimis last message repeated 3 times Jul 13 16:40:55 satimis cyrus/pop3[4628]: refused connection from 220.232.213.178 Jul 13 16:41:20 satimis last message repeated 4 times Jul 13 16:41:46 satimis last message repeated 4 times Jul 13 16:55:32 satimis cyrus/pop3[4420]: refused connection from 220.232.213.178 Jul 13 16:57:05 satimis cyrus/pop3[4420]: refused connection from 220.232.213.178 Jul 13 16:57:23 satimis cyrus/pop3[4420]: refused connection from 220.232.213.178 Jul 13 16:58:46 satimis cyrus/pop3[4420]: refused connection from 220.232.213.178 Jul 13 16:59:52 satimis cyrus/pop3[4420]: refused connection from 220.232.213.178 Jul 13 17:00:40 satimis cyrus/pop3[4420]: refused connection from 220.232.213.178 * end * But users can receive mails on their mail client, Evolution, with the same password. I suspect it is an authentication problem. Please help. TIA B.R. Stephen L Send instant messages to your online friends http://uk.messenger.yahoo.com