[ubuntu] Postfix squirrelmail issue

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http://ubuntuforums.org – Hi everybody, I am working on a issue that i cannot seem to resolve on my own. When login in to squirrelmail and when i try to send an mail i get an error notification. When i look into the syslog of the postfix server i see this: postfix/smtpd[4360]: warning: numeric hostname: postfix/smtpd[4360]: connect from unknown[] postfix/smtpd[4360]: lost connection after UNKNOWN from unknown[] postfix/smtpd[4360]: disconnect from unknown[] My squirrelmail( is on a different server from where postfix is installed on. What i also (Hardware)