Control Web Panel
WebPanel => Postfix => Topic started by: webworm on April 15, 2016, 09:53:21 AM
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hi,
if,
tail -f /var/log/maillog file
SASL LOGIN authentication failed: UGFzc3dvcmQ6
fixed
nano /etc/dovecot/dovecot-mysql.conf
driver = mysql
connect = host=localhost dbname=postfix user=postfix password=xxxxxxxxxx
#default_pass_scheme = MD5-CRYPT
default_pass_scheme = PLAIN-MD5
remove md5-crypt
add plain-md5
thats it...
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SASL LOGIN authentication failed is login attempts on your dovecot/postfix server from random person trying to attack your server.