In mynetworks I have the following IP configured (among others): 204.9.157.0/24 OK
In main.cf mynetworks is listed in the recipient restrictions: smtpd_recipient_restrictions = permit_mynetworks, check_client_access hash:/etc/postfix/popimap_access, permit_sasl_authenticated, reject_unauth_destination However I am getting relay denied errors for clients using an IP in that range: Nov 3 08:38:11 10.123.162.247 postfix/smtpd[20007]: NOQUEUE: reject: RCPT from unknown[204.9.157.147]: 554 5.7.1 <tpeder3...@aol.com>: Relay access denied; from=<sentr...@spwl.net> to=<tpeder3...@aol.com> proto=ESMTP helo=<SentryHR> Nov 3 10:03:13 10.123.162.247 postfix/smtpd[27180]: NOQUEUE: reject: RCPT from unknown[204.9.157.147]: 554 5.7.1 <ksand...@amfam.com>: Relay access denied; from=<sentr...@spwl.net> to=<ksand...@amfam.com> proto=ESMTP helo=<SentryHR> Nov 3 10:03:14 10.123.162.247 postfix/smtpd[27180]: NOQUEUE: reject: RCPT from unknown[204.9.157.147]: 554 5.7.1 <tina.neh...@tdstelecom.com>: Relay access denied; from=<sentr...@spwl.net> to=<tina.neh...@tdstelecom.com> proto=ESMTP helo=<SentryHR> Nov 3 10:25:00 10.123.162.247 postfix/smtpd[29112]: NOQUEUE: reject: RCPT from unknown[204.9.157.147]: 554 5.7.1 <ksand...@amfam.com>: Relay access denied; from=<sentr...@spwl.net> to=<ksand...@amfam.com> proto=ESMTP helo=<SentryHR> Nov 3 10:25:00 10.123.162.247 postfix/smtpd[29112]: NOQUEUE: reject: RCPT from unknown[204.9.157.147]: 554 5.7.1 <tina.neh...@tdstelecom.com>: Relay access denied; from=<sentr...@spwl.net> to=<tina.neh...@tdstelecom.com> proto=ESMTP helo=<SentryHR> Nov 3 10:25:00 10.123.162.247 postfix/smtpd[29112]: NOQUEUE: reject: RCPT from unknown[204.9.157.147]: 554 5.7.1 <sentr...@spwl.net>: Relay access denied; from=<sentr...@spwl.net> to=<sentr...@spwl.net> proto=ESMTP helo=<SentryHR> Nov 3 10:25:55 10.123.162.246 postfix/smtpd[7212]: NOQUEUE: reject: RCPT from unknown[204.9.157.147]: 554 5.7.1 <n...@spwl.net>: Relay access denied; from=<sentr...@spwl.net> to=<n...@spwl.net> proto=ESMTP helo=<SentryHR> Nov 3 10:29:43 10.123.162.247 postfix/smtpd[29439]: NOQUEUE: reject: RCPT from unknown[204.9.157.147]: 554 5.7.1 <sentr...@spwl.net>: Relay access denied; from=<sen...@spwl.net> to=<sentr...@spwl.net> proto=ESMTP helo=<Computer2> Nov 3 10:31:29 10.123.162.247 postfix/smtpd[29607]: NOQUEUE: reject: RCPT from unknown[204.9.157.147]: 554 5.7.1 <sentr...@spwl.net>: Relay access denied; from=<n...@spwl.net> to=<sentr...@spwl.net> proto=ESMTP helo=<pcnate> Nov 3 10:55:11 10.123.162.247 postfix/smtpd[31698]: NOQUEUE: reject: RCPT from unknown[204.9.157.147]: 554 5.7.1 <ksand...@amfam.com>: Relay access denied; from=<sentr...@spwl.net> to=<ksand...@amfam.com> proto=ESMTP helo=<SentryHR> Nov 3 10:55:11 10.123.162.247 postfix/smtpd[31698]: NOQUEUE: reject: RCPT from unknown[204.9.157.147]: 554 5.7.1 <tina.neh...@tdstelecom.com>: Relay access denied; from=<sentr...@spwl.net> to=<tina.neh...@tdstelecom.com> proto=ESMTP helo=<SentryHR> Nov 3 11:23:07 10.123.162.246 postfix/smtpd[12211]: NOQUEUE: reject: RCPT from unknown[204.9.157.147]: 554 5.7.1 <n...@spwl.net>: Relay access denied; from=<sentr...@spwl.net> to=<n...@spwl.net> proto=ESMTP helo=<SentryHR> Thanks in advance.