11 posts - 4 authors - Last post: Mar 18, 2009Action: failed. Status: 5.1.1. Diagnostic-Code: smtp; 553 5.3.0 flpi133 - n2DHaYDH031216, DNSBL:ATTRBL 521< 76.96.27.211 >_is_blocked. .

<mydomain #5.3.0 smtp; 553 5.3.0 flpi095 - m99l6vr30128001, DNSBL :521< 208.70.119.240 >_blocked. _For information_see_http://att.net/blocks > .

3 posts - 2 authors - Last post: Sep 26, 2008<lifetime-media.com #5.3.0 smtp;553 5.3.0 nlpi090 - m8QG9RbC031621, DNSBL:521< IP ADDRESS >_is_blocked.__For_information_see_http://att.net/ .

7 posts - 4 authors - Last post: Aug 6, 2008AT&T rejecting mail sent via spamcop today for BL reasons (if I'm reading . Diagnostic-Code: smtp; 5.1.0 - Unknown address error 553-'5.3.0 .

"flpd120.prodigy.net #553 5.3.0 flpd120 DNSBL:ATTRBL 521< xx >_is_blocked .

5 posts - 2 authors - Last post: Jul 20, 2010<exchange.acmeacc.com #5.3.0 smtp;553 5.3.0 flpd238 - o6EB0hOj009703, DNSBL:ATTRBL 521< 208.57.62.178 >_is_blocked. .

Mar 23, 2010 – #5.3.0 smtp;553 5.3.0 flpd124 – o2N8qxwF027519, DNSBL:ATTRBL 521< *.*.*.* > _is_blocked.__For_information_see_http://att.net/blocks .

Jun 11, 2009 – I am getting blocked by ATT from sending legit email. . Diagnostic-Code: smtp; 553 5.3.0 flpi192 - n5BGJ382019332, DNSBL:ATTRBL 521< .

20 posts - 5 authors - Last post: Feb 17, 2009__For_information_see_ http://worldnet.att.net/general-info/bls_info/block_inquiry .html 553 5.3.0 nlpi023,DNSBL:RBL To request removal of, .

7 posts - 3 authors - Last post: Aug 6, 2010Remote host said: 553 5.3.0 flpi181 - o0M2f7P2015145, DNSBL:ATTRBL 521< 82.197.79.4 >_is_blocked.__For_information_see_http://att.net/ .

4 posts - 2 authors - Last post: Nov 8, 2009ATT Block 553 error on phplist emails Hosting Security and Technology. . Reason: Remote host said: 553 5.3.0 nlpi133 - nA8LE0LR030402, .

Remote host said: 553 5.3.0 nlpi079 DNSBL:ATTRBL 521< 70.32.89.196 > _is_blocked.__For_information_see_http://att.net/blocks. posted 11 months ago in .

3 posts - 2 authors - Last post: Feb 19, 20091235011699|5|6|207.115.21.20|553 5.3.0 flpi179 - n1J2mIgD017199, DNSBL: ATTRBL 521< 78.110.168.218 >_is_blocked. .

. server after MAIL FROM: host sbcmx1.prodigy.net [207.115.21.20]: 553 5.3 .

9 answers - 5 days agoI too have the error "553 553 5.3.0 flpd122 DNSBL:RBL 521< 74.125.82.51 > _is_blocked.__For_information_see_http://att.net/blocks (state 13). .

Jun 23, 2008 – "553 5.3.0 nlpi047,DNSBL:521 >_is_blocked .

10 posts - 1 author - Last post: Jun 14, 2008"553 5.3.0 nlpi020,DNSBL:521< 209.121.198.203 >_is_blocked .

25 posts - 16 authors - Last post: Jun 18, 2008AT&T Mail Blocks Network Status. . but sender was rejected. Remote host said: 553 5.3.0 nlpi100,DNSBL:521< 67.18.103.10 >_is_blocked. .

6 posts - 2 authorsRemote host said: 553 5.3.0 nlpi033 - n464epNK003265, DNSBL:ATTRBL 521< 64.38.50.178 >_is_blocked.__For_information_see_http://att.net/blocks .

10 posts - 8 authors - Last post: 5 days agoThe error that the other server returned was: 553 553 5.3.0 flpd239 DNSBL:RBL 521< . __For_information_see_http://att.net/blocks (state 13) .

5 posts - 2 authors - Last post: Mar 13, 2010553 5.3.0 nlpi125 - o2D1lMME004830, DNSBL:ATTRBL 521< 67.217.34.250 > _is_blocked.__For_information_see_http://att.net/blocks .

11 posts - 6 authors - Last post: Feb 23, 2009(reason: 553 5.3.0 nlpi097 – n1K6iH4T001781, DNSBL:ATTRBL 521< 64.81. 245.74 >_is_blocked.__For_information_see_http://att.net/blocks) .

5 posts - 3 authors - Last post: Apr 10, 2009get them returned "5.1.0 - Unknown address error 553-'5.3.0 nlpi084 - n3AALWiZ024170, DNSBL:ATTRBL 521< 212.74.100.48 >_is_blocked. .

4 answers - 5 days ago__For_information_see_http://att.net/blocks (state 13). and second try: [same intro text]. 553 553 5.3.0 flpd120 DNSBL:RBL 521< 74.125.82.173 .

1 post - 1 author - Last post: Jun 17, 2008<server.mydomain.com #5.3.0 smtp;553 5.3.0 nlpi046,DNSBL:521< . to apply to domains that are handled by sbcglobal.net or worldnet.att.net. .

20 posts - 11 authors - Last post: Jun 26, 2010<REMOVED@sbcglobal.net>: host sbcmx1.prodigy.net[207.115.21.20] said: 553 5.3.0 flpd245 - o5OGZuMl025957, DNSBL:ATTRBL 521< .

7 posts - 4 authors - Last post: Aug 6, 2008AT&T rejecting mail sent via spamcop today for BL reasons (if I'm reading .

7 posts - 3 authors - Last post: Jun 1, 2008Hi all, Built a server (Red Hat 8) waaaaaaay back in 2001 which houses, among other things, my family's email. Run it in my basement on a .

5 posts - 2 authors - Last post: Feb 24, 2009Please contact your Administrator. <smtp.xxxx.com #5.3.0 smtp;553 5.3.0 flpi100 - n1OFXS4b032506, DNSBL:ATTRBL 521< 12.18.xxx.xx .

2 posts - 1 author - Last post: 5 days agoI auto forward my g-mail to my AT&T e-mail account. . The error that the other server returned was: 553 553 5.3.0 nlpi163 DNSBL:RBL 521< .

2 posts - 2 authors - Last post: Sep 21, 2008The following messages arrived in an e-mail reply from "The AT&T Internet . Diagnostic-Code: smtp;553 5.3.0 nlpi032,DNSBL:To request .

9 posts - 2 authors - Last post: Jan 16I am getting my client emails blocked by ATT. I get this kind message from my client: Failed Recipient: xxxx@ameritech.net Reason: Remote .

4 posts - 2 authors - Last post: Jan 27, 2010Action: failed. Status: 5.3.0. Diagnostic-Code: smtp;553 5.3.0 flpd114 - o0QMlskZ008657, DNSBL:ATTRBL 521< 12.162.172.142 >_is_blocked. .

3 posts - 2 authorsThe error that the other server returned was: 553 553 5.3.0 flpd239 DNSBL:RBL 521< 74.125.82.54 >_is_blocked.__For_information_see_http://att.net/blocks .

4 posts - 3 authorsThe error that the other server returned was: 553 553 5.3.0 flpd239 DNSBL:RBL 521< 74.125.82.54 >_is_blocked.__For_information_see_http://att.net/blocks .

Mar 19, 2007 – getting error messages such as: SMTP error from remote mail .

Feb 13, 2010 – Verizon and AT&T yesterday started bounced emails from my server. . Reason: Remote host said: 553 5.3.0 flpi193 - o1D1wddr028278, .

10 posts - 2 authors - Last post: Apr 25, 2008for abuse. See http://www.att.net/bls_rbl/ for information. <tstammich2@sbcglobal .net>: host sbcmx1.prodigy.net[207.115.21.20] said: 553 5.3.0 .

May 1, 2007 – AT&T / SBCglobal / Pacbell is blacklisting my email server. . 553 5.3.0 nlpi008, DNSBL:To request removal of, 64.151.96.245, send the .

2 posts - 1 author - Last post: Aug 23, 2010SBCGlobal.net / ATT.net has blocked my messages from Gmail, marking . The error that the other server returned was: 553 553 5.3.0 nlpi100 .

16 posts - 3 authors - Last post: Apr 6, 2010hMailServer sent: MAIL FROM:<rick@mozus.com> Remote server replied: 553 5.3.0 nlpi122 - o33MQh11009645, DNSBL:ATTRBL 521< .

12 posts - 8 authors - Last post: Mar 11553 5.3.0 flpd124 DNSBL:ATTRBL 521< 207.7.108.125 >_is_blocked. __For_information_see_http://att.net/blocks (in reply to MAIL .

MAIL From:<wskmaste@web8.websitesource.net> <<< 553 5.3.0 nlpi027 - n315n3GP029472, DNSBL:ATTRBL 521< 64.40.154.4 >_is_blocked. .

4 posts - Last post: Sep 26, 2008They are recently receiving a couple of DNS Blocks from AT&T (See Below): . < lifetime-media.com #5.3.0 smtp;553 5.3.0 nlpi090 - .

1 post - Last post: 5 days agoSBCglobal/AT&T blocking. . The error that the other server returned was: 553 553 5.3.0 nlpi184 DNSBL:RBL 521< 74.125.82.172 .

deborahscratch@att.com, ----- The following addresses had permanent fatal errors . .. while talking to dell903.windstream.com >>> RCPT To: <<< 553 5.3.0 . .

Apr 6, 2011 – The error given is: smtp;553 5.3.0 nlpi160 DNSBL:ATTRBL 521< ip >_is_blocked .__For_information_see_http://att.net/blocks; I don't have an .

8 posts - 4 authors - Last post: Mar 25, 2008started getting rejected with the following message: 553 5.3.0 flpi188,DNSBL:521 ATTRBL To request removal of, 63.149.6.188, send the .

9 posts - 4 authors - Last post: Mar 30, 2008Any email I send to my AT&T email address from my domain's address is being blocked: (reason: 553 5.3.0 flpi119,DNSBL:521< 69.36.170.241 .

6 days ago – The error that the other server returned was: 553 553 5.3.0 nlpi154 DNSBL:RBL 521_is_blocked.__For_information_see_»att.net/blocks (state .

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