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RBL's blocking Microsoft internal and Office365 servers

SalishSwede
I'm finding that my critical contacts can't communicate with me via email due to flagging by RBL's.  After further investigation, it includes those who are using Microsoft email infrastructure: both internal employees and corporate members who have outsourced their email services to Microsoft through Live@edu other other offerings.  It's not only these folks, but blocking these people impacts me the most.


var/log/smtp/2013/12/smtp-2013-12-18.log.gz:2013:12:18-13:53:08  ravenna exim-in[23455]: 2013-12-18 13:53:08 id="1003" severity="info"  sys="SecureMail" sub="smtp" name="email rejected" srcip="74.63.194.68"  from="bounces+273298-313f-[private information]sendgrid.info"  to="doug@[private information].com" size="-1" reason="rbl"  extra="cbl.abuseat.org" [FONT=monospace]/var/log/smtp/2014/01/smtp-2014-01-03.log.gz:2014:01:03-16:10:34  ravenna exim-in[14501]: 2014-01-03 16:10:34 id="1003" severity="info"  sys="SecureMail" sub="smtp" name="email rejected" srcip="204.13.248.72"  from="" to="prvs=008145706c=[private information]" size="13915"  reason="rbl" extra="cbl.abuseat.org" [/FONT]
[FONT=monospace]/var/log/smtp/2014/01/smtp-2014-01-06.log.gz:2014:01:06-10:18:04  ravenna exim-in[8293]: 2014-01-06 10:18:04 id="1003" severity="info"  sys="SecureMail" sub="smtp" name="email rejected" srcip="207.46.163.209"  from="susan.[private information]"  to="doug@[private information]" size="16611" reason="rbl"  extra="combined.rbl.msrbl.net" [/FONT]
[FONT=monospace]/var/log/smtp/2014/01/smtp-2014-01-06.log.gz:2014:01:06-10:18:04  ravenna exim-in[8293]: 2014-01-06 10:18:04  H=mail-bl2lp0209.outbound.protection.outlook.com  (na01-bl2-obe.outbound.protection.outlook.com) [207.46.163.209]:5037  F= rejected RCPT  : 207.46.163.209 blacklisted at  combined.rbl.msrbl.net [/FONT]
[FONT=monospace]/var/log/smtp/2014/01/smtp-2014-01-08.log.gz:2014:01:08-13:31:43  ravenna exim-in[6075]: 2014-01-08 13:31:43 id="1003" severity="info"  sys="SecureMail" sub="smtp" name="email rejected" srcip="207.46.163.206"  from="[private information].com" to="doug@[private information]"  size="20075" reason="rbl" extra="combined.rbl.msrbl.net" [/FONT]
[FONT=monospace]/var/log/smtp/2014/01/smtp-2014-01-08.log.gz:2014:01:08-13:31:43  ravenna exim-in[6075]: 2014-01-08 13:31:43  H=mail-bl2lp0206.outbound.protection.outlook.com  (na01-bl2-obe.outbound.protection.outlook.com) [207.46.163.206]:42226  F= rejected RCPT  : 207.46.163.206 blacklisted at  combined.rbl.msrbl.net [/FONT]
[FONT=monospace]/var/log/smtp/2014/01/smtp-2014-01-08.log.gz:2014:01:08-13:34:08  ravenna exim-in[6301]: 2014-01-08 13:34:08 id="1003" severity="info"  sys="SecureMail" sub="smtp" name="email rejected" srcip="207.46.163.149"  from="[private information].com" to="doug@[private information].com"  size="18356" reason="rbl" extra="cbl.abuseat.org" [/FONT]
[FONT=monospace]/var/log/smtp/2014/01/smtp-2014-01-08.log.gz:2014:01:08-13:37:22  ravenna exim-in[6617]: 2014-01-08 13:37:22 id="1003" severity="info"  sys="SecureMail" sub="smtp" name="email rejected" srcip="207.46.163.242"  from="[private information].com" to="doug@[private information].com"  size="20007" reason="rbl" extra="cbl.abuseat.org" [/FONT]
[FONT=monospace]/var/log/smtp/2014/01/smtp-2014-01-09.log.gz:2014:01:09-14:09:53  ravenna exim-in[14288]: 2014-01-09 14:09:53 id="1003" severity="info"  sys="SecureMail" sub="smtp" name="email rejected" srcip="204.13.248.72"  from="" to="prvs=0086cc3a24=doug@[private information].com" size="9911"  reason="rbl" extra="combined.rbl.msrbl.net" [/FONT]
[FONT=monospace]/var/log/smtp/2014/01/smtp-2014-01-09.log.gz:2014:01:09-14:09:53  ravenna exim-in[14288]: 2014-01-09 14:09:53 H=mho-02-ewr.mailhop.org  [204.13.248.72]:28519 F=<> rejected RCPT  : 204.13.248.72  blacklisted at combined.rbl.msrbl.net [/FONT]
[FONT=monospace]/var/log/smtp/2014/01/smtp-2014-01-10.log.gz:2014:01:10-12:43:14  ravenna exim-in[4950]: 2014-01-10 12:43:14 id="1003" severity="info"  sys="SecureMail" sub="smtp" name="email rejected" srcip="207.46.163.185"  from="[private information].com" to="doug@[private information].com"  size="10951" reason="rbl" extra="combined.rbl.msrbl.net" [/FONT]
[FONT=monospace]/var/log/smtp/2014/01/smtp-2014-01-10.log.gz:2014:01:10-12:43:14  ravenna exim-in[4950]: 2014-01-10 12:43:14  H=mail-bn1blp0185.outbound.protection.outlook.com  (na01-bn1-obe.outbound.protection.outlook.com) [207.46.163.185]:13940  F= rejected RCPT  : 207.46.163.185 blacklisted at  combined.rbl.msrbl.net [/FONT]
[FONT=monospace]/var/log/smtp/2014/01/smtp-2014-01-10.log.gz:2014:01:10-23:51:44  ravenna exim-in[32238]: 2014-01-10 23:51:44 id="1003" severity="info"  sys="SecureMail" sub="smtp" name="email rejected" srcip="204.13.248.72"  from="" to="prvs=0088fe969f=doug[private information].com" size="4677"  reason="rbl" extra="bl.spamcop.net" [/FONT]
[FONT=monospace]/var/log/smtp/2014/01/smtp-2014-01-14.log.gz:2014:01:14-07:51:08  ravenna exim-in[14631]: 2014-01-14 07:51:08 id="1003" severity="info"  sys="SecureMail" sub="smtp" name="email rejected" srcip="207.46.163.154"  from="[private information]com" to="doug@[private information].com"  size="26180" reason="rbl" extra="cbl.abuseat.org" [/FONT]
[FONT=monospace]/var/log/smtp/2014/01/smtp-2014-01-15.log.gz:2014:01:15-21:20:11  ravenna exim-in[10406]: 2014-01-15 21:20:11 id="1003" severity="info"  sys="SecureMail" sub="smtp" name="email rejected" srcip="157.55.133.100"  from="" to="doug[private information]com" size="10082" reason="rbl"  extra="bl.spamcop.net" [/FONT]
[FONT=monospace]/var/log/smtp/2014/01/smtp-2014-01-16.log.gz:2014:01:16-12:49:00  ravenna exim-in[10423]: 2014-01-16 12:49:00 id="1003" severity="info"  sys="SecureMail" sub="smtp" name="email rejected" srcip="209.85.214.201"   from="3ukXYUhIJAEMqfgwfitwnzxmzrfszxlrfnq.htr@calendar-server.bounces.google.com"  to="doug@[private information].com" size="-1" reason="rbl"  extra="cbl.abuseat.org" [/FONT]
[FONT=monospace]/var/log/smtp/2014/01/smtp-2014-01-16.log.gz:2014:01:16-12:49:18  ravenna exim-in[10446]: 2014-01-16 12:49:18 id="1003" severity="info"  sys="SecureMail" sub="smtp" name="email rejected" srcip="74.125.82.48"  from="[private information].com" to="doug@[private information].com"  size="-1" reason="rbl" extra="zen.spamhaus.org" [/FONT]
[FONT=monospace]/var/log/smtp/2014/01/smtp-2014-01-16.log.gz:2014:01:16-13:00:13  ravenna exim-in[11676]: 2014-01-16 13:00:13 id="1003" severity="info"  sys="SecureMail" sub="smtp" name="email rejected" srcip="209.85.128.73"  from="3W0jYUhIJAOgVKLbKNYbSecReWKXecQWKSV.MYW@calendar-server.bounces.google.com"  to="doug@[private information].com" size="-1" reason="rbl"  extra="bl.spamcop.net" [/FONT]
[FONT=monospace]/var/log/smtp/2014/01/smtp-2014-01-16.log.gz:2014:01:16-13:06:19  ravenna exim-in[12739]: 2014-01-16 13:06:19 id="1003" severity="info"  sys="SecureMail" sub="smtp" name="email rejected" srcip="209.85.213.73"  from="3W0jYUhIJAOgVKLbKNYbSecReWKXecQWKSV.MYW@calendar-server.bounces.google.com"  to="doug@[private information].com" size="-1" reason="rbl"  extra="b.barracudacentral.org" [/FONT]
[FONT=monospace]/var/log/smtp.log:2014:01:17-12:11:36  ravenna exim-in[8201]: 2014-01-17 12:11:36 id="1003" severity="info"  sys="SecureMail" sub="smtp" name="email rejected" srcip="207.46.163.150"  from="[private information].com"  to="doug@[private information].com" size="32305" reason="rbl"  extra="psbl.surriel.com" [/FONT]
[FONT=monospace]/var/log/smtp.log:2014:01:17-12:14:28  ravenna exim-in[8411]: 2014-01-17 12:14:28 id="1003" severity="info"  sys="SecureMail" sub="smtp" name="email rejected" srcip="207.46.163.189"  from="[private information]com"  to="doug@[private information].com" size="32438" reason="rbl"  extra="cbl.abuseat.org" [/FONT]
Does anyone have any thoughts on best practices for RBL's or what to tell a CEO when he suggests one's email server [Sophos Gateway] is misconfigured.

Thanks,

~Doug


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