postfix

Postfix tips

Postfix freebsd cron problem

Once you install postfix on your freebsd box, you might notice the following problem.

In /var/log/maillog:

Jul 20 00:35:00 jenova postfix/sendmail[49605]: fatal: munin(842): No recipient addresses found in message header

In /var/log/cron:

Jul 20 11:05:00 jenova cron[53366]: NSSWITCH(_nsdispatch): nis, passwd_compat, endpwent, not found, and no fallback provided

Edit /etc/nsswitch.conf

group: files
passwd: files

IP adress reputation

Learn about one IP adress reputation : http://multirbl.valli.org/ .

Send a mail using telnet

Send a mail using telnet

220 jenova.dannielou.com ESMTP Postfix
helo www.com
250 jenova.dannielou.com
mail from: eric@dannielou.com
250 2.1.0 Ok
rcpt to: eric@dannielou.com
250 2.1.5 Ok
data
354 End data with <CR><LF>.<CR><LF>
test1627
.
250 2.0.0 Ok: queued as ED7723F7CB
quit
221 2.0.0 Bye

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