Spfguess
spfguess
man qmail-smtpd excerpt:
You can add a line with SPF rules that will be checked if a sender domain doesn't have an SPF record. The local rules will also be used in this case.
spfguess
man qmail-smtpd excerpt:
You can add a line with SPF rules that will be checked if a sender domain doesn't have an SPF record. The local rules will also be used in this case.