Postfix Acceptance Testing

WARNING

make sure you connect from a host that is NOT in mynetworks.

STARTTLS CERTIFICATE

openssl s_client -starttls smtp -connect xc.nethence.com:25
#-crlf

helo YOUR-TRUE-FQDN
mail from:<>
rcpt to:<>
data
...
.

==> SHOULD pass through

ENFORCED STARTTLS

telnet MX-SERVER-ADDRESS 25

at mail from stage, you should get

530 5.7.0 Must issue a STARTTLS command first

NAME RESOLUTION

from a client that does not resolves or reverse resolves, the message should NOT pass through

SPF RECORDS

try to send a message remotely or from internal network and w/o SASL, while being in mynetworks. since you are not one of the advertised MXes, the message should NOT pass through.

mail from:<email@yourdomain.com>

RBL

connect from an IP that should-be-blocked IP e.g. ADSL connection. your message should NOT pass through

EHLO

should NOT pass through

helo SOME-WRONG-FQDN

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