Feb 25 21:49:26 ws postfix/smtpd[5194]: warning: 190.19.25.197: hostname 197-25-19-190.fibertel.com.ar verification failed: Name or service not known
Feb 25 22:30:24 ws postfix/smtpd[6932]: warning: 201.244.129.6: hostname adsl201-244129006.dyn.etb.net.co verification failed: Name or service not known
Feb 25 23:17:43 ws postfix/smtpd[7617]: warning: 186.62.174.207: hostname 186-62-174-207.speedy.com.ar verification failed: Name or service not known
Feb 25 23:31:05 ws postfix/smtpd[7617]: warning: 186.28.106.222: hostname adsl186-28106222.dyn.etb.net.co verification failed: Name or service not known
Feb 26 00:23:39 ws postfix/smtpd[29123]: warning: 201.240.146.126: hostname client-201.240.146.126.speedy.net.pe verification failed: Name or service not known
Feb 26 02:05:30 ws postfix/smtpd[31128]: warning: 186.62.24.29: hostname 186-62-24-29.speedy.com.ar verification failed: Name or service not known
Feb 26 02:24:39 ws postfix/smtpd[31128]: warning: 86.34.214.65: hostname adsl86-34-214-65.romtelecom.net verification failed: Name or service not known
Feb 26 02:31:17 ws postfix/smtpd[31128]: warning: 190.174.148.3: hostname 190-174-148-3.speedy.com.ar verification failed: Name or service not known
Feb 26 02:43:22 ws postfix/smtpd[354]: warning: 64.15.155.49: hostname cl-t013-141cl.privatedns.com verification failed: Name or service not known
Feb 26 04:45:54 ws postfix/smtpd[3216]: warning: 5.134.41.167: hostname 5-134-41-167.ipdinamica.dinfotec.com verification failed: Name or service not known
Feb 26 05:14:21 ws postfix/smtpd[3216]: warning: 190.193.168.106: hostname 106-168-193-190.cab.prima.net.ar verification failed: Name or service not known
Feb 26 05:30:59 ws postfix/smtpd[3216]: warning: 177.99.162.250: hostname apontador250.static.host.gvt.net.br verification failed: Name or service not known
Feb 26 06:13:57 ws postfix/smtpd[4975]: warning: 81.23.106.75: hostname grtechnof.grouptechno.ru verification failed: Name or service not known
Feb 26 07:45:08 ws postfix/smtpd[22770]: warning: 202.47.115.126: hostname 126.115.47.202.in-addr.arpa verification failed: Name or service not known
Feb 26 07:58:53 ws postfix/smtpd[22770]: warning: 78.188.219.237: hostname 78.188.219.237.static.ttnet.com.tr verification failed: Name or service not known
Feb 26 08:08:00 ws postfix/smtpd[22770]: warning: 85.186.180.13: hostname home-305501.b.astral.ro verification failed: Name or service not known
Feb 26 08:25:57 ws postfix/smtpd[24551]: warning: 212.156.44.54: address not listed for hostname 212.156.44.54.static.turktelekom.com.tr
Feb 26 11:25:07 ws postfix/smtpd[28943]: warning: 86.122.221.139: hostname 86-122-221-139.rdsnet.ro verification failed: Name or service not known
Feb 26 11:56:29 ws postfix/smtpd[6028]: warning: 59.161.109.81: hostname 59.161.109.81.cdma-delhi.vsnl.net.in verification failed: Name or service not known
Feb 26 12:17:55 ws postfix/smtpd[11674]: warning: 190.25.43.93: hostname adsl190-2543093.dyn.etb.net.co verification failed: Name or service not known
Feb 26 13:39:12 ws postfix/smtpd[18577]: warning: 31.40.240.161: hostname host-240-161.cdma.ua verification failed: Name or service not known
Feb 26 13:39:44 ws postfix/smtpd[18577]: warning: 177.159.208.30: hostname 177.159.208.30.dynamic.adsl.gvt.net.br verification failed: Name or service not known
Feb 26 14:22:31 ws postfix/smtpd[11682]: warning: 81.213.144.230: hostname 81.213.144.230.static.ttnet.com.tr verification failed: Name or service not known
Feb 26 15:06:59 ws postfix/smtpd[3431]: warning: 190.179.221.186: hostname 190-179-221-186.speedy.com.ar verification failed: Name or service not known
Feb 26 16:04:48 ws postfix/smtpd[18098]: warning: 177.132.89.60: hostname 177.132.89.60.dynamic.adsl.gvt.net.br verification failed: Name or service not known
Feb 26 16:40:53 ws postfix/smtpd[19904]: warning: 181.164.50.24: hostname 24-50-164-181.fibertel.com.ar verification failed: Name or service not known
Feb 26 17:32:04 ws postfix/smtpd[19904]: warning: 181.28.79.12: hostname 12-79-28-181.fibertel.com.ar verification failed: Name or service not known
Feb 26 17:48:01 ws postfix/smtpd[21473]: warning: 190.25.43.93: hostname adsl190-2543093.dyn.etb.net.co verification failed: Name or service not known
Feb 26 18:19:39 ws postfix/smtpd[21628]: warning: 200.56.251.156: hostname host112156.metrored.net.mx verification failed: Name or service not known
Feb 26 18:24:59 ws postfix/smtpd[21628]: warning: 187.192.195.83: hostname dsl-187-192-195-83-dyn.prod-infinitum.com.mx verification failed: Name or service not known
Feb 26 18:34:31 ws postfix/smtpd[21628]: warning: 189.195.69.126: hostname customer-TOR-69-126.megared.net.mx verification failed: Name or service not known
Feb 26 19:35:22 ws postfix/smtpd[22886]: warning: 190.50.66.117: hostname 190-50-66-117.speedy.com.ar verification failed: Name or service not known
Feb 26 19:42:55 ws postfix/smtpd[22886]: warning: 189.129.117.227: hostname dsl-189-129-117-227-dyn.prod-infinitum.com.mx verification failed: Name or service not known
Feb 26 21:24:22 ws postfix/smtpd[29450]: warning: 187.185.83.112: hostname 187.185.83.112.cable.dyn.cableonline.com.mx verification failed: Name or service not known
Feb 26 21:57:03 ws postfix/smtpd[6808]: warning: network_biopair_interop: error reading 5 bytes from the network: Connection reset by peer
Feb 26 22:09:41 ws postfix/smtpd[18612]: warning: 187.192.190.238: hostname dsl-187-192-190-238-dyn.prod-infinitum.com.mx verification failed: Name or service not known
Feb 26 23:08:40 ws postfix/smtpd[18612]: warning: 190.3.196.66: hostname adsl-mde-190-3-196-66.edatel.net.co verification failed: Name or service not known
Feb 26 23:31:28 ws postfix/smtpd[20193]: warning: 189.194.93.191: hostname customer-XAL-93-191.megared.net.mx verification failed: Name or service not known
Feb 27 00:02:54 ws postfix/smtpd[9010]: warning: 190.84.39.2: hostname Dynamic-IP-19084392.cable.net.co verification failed: Name or service not known
Feb 27 00:05:53 ws postfix/smtpd[9010]: warning: 186.57.175.217: hostname 186-57-175-217.speedy.com.ar verification failed: Name or service not known
Feb 27 01:13:17 ws postfix/smtpd[10746]: warning: 190.0.37.230: address not listed for hostname Static-BAFibra190-0-37-230.epm.net.co
Feb 27 02:09:49 ws postfix/smtpd[10746]: warning: 186.56.241.172: hostname 186-56-241-172.mrse.com.ar verification failed: Name or service not known
Feb 27 02:32:52 ws postfix/smtpd[12524]: warning: 187.252.194.130: hostname 187.252.194.130.cable.dyn.cableonline.com.mx verification failed: Name or service not known
Feb 27 02:55:37 ws postfix/smtpd[12524]: warning: 69.62.200.228: hostname 228.200-62-69.ftth.dyn.surewest.net verification failed: Name or service not known
Feb 27 03:50:51 ws postfix/smtpd[14327]: warning: 211.144.86.4: hostname mail.top.china-sss.com verification failed: Name or service not known
Feb 27 04:11:34 ws postfix/smtpd[14327]: warning: 190.51.26.181: hostname 190-51-26-181.speedy.com.ar verification failed: Name or service not known
Feb 27 08:42:36 ws postfix/smtpd[4638]: warning: 190.192.67.219: hostname 219-67-192-190.cab.prima.net.ar verification failed: Name or service not known
Feb 27 10:06:10 ws postfix/smtpd[6447]: warning: 78.159.112.61: address not listed for hostname hosted-by.leaseweb.com
Feb 27 10:32:33 ws postfix/smtpd[8206]: warning: 94.247.178.57: hostname mta09.cmbox01.com verification failed: Name or service not known
Feb 27 11:22:42 ws postfix/smtpd[8206]: warning: 78.4.66.122: hostname 78-4-66-122-static.albacom.net verification failed: Name or service not known
Feb 27 12:50:07 ws postfix/smtpd[11852]: warning: 193.200.126.14: address not listed for hostname ns1.derotel.ro
Feb 27 13:51:50 ws postfix/smtpd[11852]: warning: 190.161.0.88: hostname pc-88-0-161-190.cm.vtr.net verification failed: Name or service not known
Feb 27 14:40:52 ws postfix/smtpd[13711]: warning: 190.0.37.230: address not listed for hostname Static-BAFibra190-0-37-230.epm.net.co
Feb 27 14:43:10 ws postfix/smtpd[13711]: warning: 201.164.46.232: hostname customer-GML-46-232.megared.net.mx verification failed: Name or service not known
Feb 27 15:50:01 ws postfix/smtpd[15556]: warning: 190.194.136.206: hostname 206-136-194-190.cab.prima.net.ar verification failed: Name or service not known
Feb 27 16:11:18 ws postfix/smtpd[16749]: warning: 94.245.120.80: address not listed for hostname db3ehsobe006.messaging.microsoft.com
Feb 27 16:27:31 ws postfix/smtpd[16749]: warning: 190.195.170.66: hostname 66-170-195-190.cab.prima.net.ar verification failed: Name or service not known
Feb 27 16:27:48 ws postfix/smtpd[16749]: warning: 201.210.219.146: hostname 201-210-219-146.genericrev.cantv.net verification failed: Name or service not known
Feb 27 17:17:29 ws postfix/smtpd[20341]: warning: 85.186.255.3: hostname trans-atlantis-ardealului9-fo.b.astral.ro verification failed: Name or service not known
Feb 27 18:07:18 ws postfix/smtpd[21838]: warning: 186.57.192.94: hostname 186-57-192-94.speedy.com.ar verification failed: Name or service not known
Feb 27 18:26:29 ws postfix/smtpd[22584]: warning: 187.113.165.143: hostname 187.113.165.143.static.host.gvt.net.br verification failed: Name or service not known
Feb 27 19:15:21 ws postfix/smtpd[22584]: warning: 116.255.240.11: hostname mta.mx11.feasest.com verification failed: No address associated with hostname
Feb 27 19:22:53 ws postfix/smtpd[22584]: warning: 187.246.49.93: hostname customer-GDL-49-93.megared.net.mx verification failed: Name or service not known
Feb 27 19:33:01 ws postfix/smtpd[22584]: warning: 147.255.101.254: hostname 147.255.101.254.rdns.ubiquity.io verification failed: Name or service not known
Feb 27 19:44:59 ws postfix/smtpd[24393]: warning: 31.186.169.122: address not listed for hostname www18.totaalholding.nl
Feb 27 21:21:41 ws postfix/smtpd[27889]: warning: 186.28.180.10: hostname adsl186-28180010.dyn.etb.net.co verification failed: Name or service not known
Feb 27 21:25:12 ws postfix/smtpd[27889]: warning: 58.40.22.234: hostname www.schrammsscp.com verification failed: Name or service not known
Feb 27 22:04:13 ws postfix/smtpd[28608]: warning: 212.225.202.113: hostname 113.red.202.225.212.user.ptvtelecom.com verification failed: Name or service not known
Feb 27 22:32:20 ws postfix/smtpd[29460]: warning: 213.57.205.124: hostname dynamic-213-57-205-124.hotnet.net.il verification failed: Name or service not known
Feb 27 23:05:11 ws postfix/smtpd[29460]: warning: 89.106.14.88: address not listed for hostname reverse-89-106-14-88.turkticaret.net
Feb 27 23:28:59 ws postfix/smtpd[31320]: warning: 201.132.232.135: hostname customer-TOR-232-135.megared.net.mx verification failed: Name or service not known
Feb 27 23:36:54 ws postfix/smtpd[31320]: warning: 186.153.180.10: hostname host10.186-153-180.telecom.net.ar verification failed: Name or service not known
Feb 28 00:28:17 ws postfix/smtpd[19632]: warning: 59.172.182.99: hostname 99.182.172.59.broad.wh.hb.dynamic.163data.com.cn verification failed: Name or service not known
Feb 28 00:58:17 ws postfix/smtpd[19632]: warning: 81.4.95.84: hostname ip-space.by.proserve.nl verification failed: Name or service not known
Feb 28 02:32:16 ws postfix/smtpd[21784]: warning: 181.166.132.143: hostname 143-132-166-181.fibertel.com.ar verification failed: Name or service not known
Feb 28 03:48:42 ws postfix/smtpd[23605]: warning: 72.53.103.162: hostname 72-53-103-162.cpe.distributel.net verification failed: Name or service not known
Feb 28 04:22:56 ws postfix/smtpd[25388]: warning: 181.50.212.116: hostname Dynamic-IP-181500212116.cable.net.co verification failed: Name or service not known
Feb 28 06:49:20 ws postfix/smtpd[28358]: warning: 206.225.85.7: hostname 206-225-85-7.dedicated.codero.net verification failed: Name or service not known
Feb 28 08:03:23 ws postfix/smtpd[15095]: warning: 219.141.219.224: hostname bj141-219-224.bjtelecom.net verification failed: Name or service not known
Feb 28 10:12:50 ws postfix/smtpd[17688]: warning: 178.238.232.242: address not listed for hostname mail.omp24.com
Feb 28 10:18:52 ws postfix/smtpd[17688]: warning: 216.214.37.65: hostname static-216-214-37-65.isp.broadviewnet.net verification failed: Name or service not known
Feb 28 10:33:43 ws postfix/smtpd[17688]: warning: 72.51.43.70: address not listed for hostname server1.netbook10.com
Feb 28 12:20:51 ws postfix/smtpd[21442]: warning: 95.69.164.231: hostname customer-95-69-164-231.airbites.kh.ua verification failed: Name or service not known
Feb 28 13:52:07 ws postfix/smtpd[24066]: warning: 82.79.223.45: hostname 82-79-223-45.craiova.rdsnet.ro verification failed: Name or service not known
Feb 28 14:27:40 ws postfix/smtpd[25329]: warning: 123.242.224.124: hostname 123-242-224-124.sunnyvision.com verification failed: Name or service not known
Feb 28 15:00:24 ws postfix/smtpd[25857]: warning: 123.242.224.124: hostname 123-242-224-124.sunnyvision.com verification failed: Name or service not known
Feb 28 15:33:38 ws postfix/smtpd[27406]: warning: valid_hostname: misplaced delimiter: .
Feb 28 17:13:30 ws postfix/smtpd[30623]: warning: 186.120.199.19: hostname adsl-199-19.tricom.net verification failed: Name or service not known
Feb 28 17:14:48 ws postfix/smtpd[30623]: warning: 123.30.180.164: address not listed for hostname static.vdc.vn
Feb 28 17:17:58 ws postfix/smtpd[30623]: warning: 187.60.123.202: hostname 18760123202.tvninternet.com.br verification failed: Name or service not known
Feb 28 17:44:20 ws postfix/smtpd[30623]: warning: 200.121.42.121: hostname client-200.121.42.121.speedy.net.pe verification failed: Name or service not known
Feb 28 18:30:03 ws postfix/smtpd[32304]: warning: 189.197.252.206: hostname customer-NOG-252-206.megared.net.mx verification failed: Name or service not known
Feb 28 18:31:45 ws postfix/smtpd[32304]: warning: 186.154.181.158: hostname adsl186-154181158.dyn.etb.net.co verification failed: Name or service not known
Feb 28 18:50:17 ws postfix/smtpd[32304]: warning: 190.188.187.228: hostname 228-187-188-190.cab.prima.net.ar verification failed: Name or service not known
Feb 28 19:30:07 ws postfix/smtpd[1806]: warning: 147.255.101.254: hostname 147.255.101.254.rdns.ubiquity.io verification failed: Name or service not known
Feb 28 19:34:03 ws postfix/smtpd[1806]: warning: 190.176.209.214: hostname 190-176-209-214.speedy.com.ar verification failed: Name or service not known
Feb 28 20:12:10 ws postfix/smtpd[1806]: warning: 186.82.161.70: hostname Dynamic-IP-1868216170.cable.net.co verification failed: Name or service not known
Feb 28 21:15:37 ws postfix/smtpd[3526]: warning: 98.143.158.147: address not listed for hostname remotetechs.net
Feb 28 22:06:07 ws postfix/smtpd[5263]: warning: 189.178.29.161: hostname dsl-189-178-29-161-dyn.prod-infinitum.com.mx verification failed: Name or service not known
Feb 28 22:14:19 ws postfix/smtpd[5263]: warning: 201.132.2.6: hostname customer-VER-2-6.megared.net.mx verification failed: Name or service not known