Block Incoming Emails at SMTP Level for certain addresses
Hi All
I have SpamAssasin/Mailscanner/Postfix setup on a debian box
Alot of emails with NDR are being sent to me to accounts that do not exist mostly adihk@mydomain.net
I did not send those emails for sure. But I need a way to block these emails from reaching my Exchange 2003 backend in one way or the other. High ranking SPAM is being deleted but around 20% of those messages goes through as clean email. To a catch all account that forwards them to another account.
This is really annoying. Why would the same message if sent twice once be marked as high ranking spam and another time marked as clean ?
Thx
10/04/0811:41:51 dadihk@mydomain.net Undelivered Mail Returned to Sender 3.4Kb 0.38 Clean[ ] 10/04/0811:41:46 adihk@mydomain.net Undelivered Mail Returned to Sender 4Kb 14.13 Spam[ ] 10/04/0811:41:44 adihk@mydomain.net failure notice 4.2Kb 26.09 Spam[ ] 10/04/0811:41:35 adihk@mydomain.net Undelivered Mail Returned to Sender 5.8Kb 30.55 Spam[ ] 10/04/0811:41:28 adihk@mydomain.net Undelivered Mail Returned to Sender 3.8Kb 28.13 Spam[ ] 10/04/0811:41:28 adihk@mydomain.net NOTICE: mail delivery status. 4.1Kb 22.30 Spam[ ] 10/04/0811:41:26 alijawad1@gmail.com dsfasfwadfad@mydomain.net Test 2.3Kb -1.73 Clean[ ] 10/04/0811:41:24 adihk@mydomain.net Delivery Status Notification (Failure) 4.8Kb 31.72 Spam[ ] 10/04/0811:41:22 adihk@mydomain.net Returned mail: see transcript for details 4.3Kb 4.80 Clean[ ] 10/04/0811:41:21 kgllv@123.org expertus@mydomain.net Dare to ask for more! 3.6Kb 30.05 Spam[ ] 10/04/0811:41:21 kgllv@123.org forward@mydomain.net Get hung like no one else 3.1Kb 30.58 Spam[ ] 10/04/0811:41:21 {tnemin@bro.cic.fr 3dzahabif@mydomain.net Bigger is almost always better 2.1Kb 21.81 Spam[ ] 10/04/0811:41:21 aig@tutu.net mhina_gandinfo@mydomain.net Replica Purses 3.4Kb 37.10 Spam[ ] 10/04/0811:41:21 service@dgtoday.cn fgadihk@mydomain.net ý¼ývýsý±ýýýý 2.8Kb 2.15 Clean[ ] 10/04/0811:41:19 adihk@mydomain.net Delivery Status Notification (Failure) 5.2Kb 10.44 Spam[ ] 10/04/0811:41:19 2adihk@mydomain.net failure notice 4.6Kb 23.38 Spam[ ] 10/04/0811:41:19 adihk@mydomain.net **Message you sent blocked by our bulk email filter** 3.2Kb 6.37 Spam[ ] 10/04/0811:41:18 adihk@mydomain.net $B%a!<%kAw?.%(%i!<(B 4.3Kb 21.66 Spam[ ] 10/04/0811:41:18 adihk@mydomain.net Mail delivery failed: returning message to sender 12.1Kb -0.26 Clean[ ] 10/04/0811:41:10 cwady2@telefonica.es makkoukahmad@mydomain.net top collection 2.8Kb 30.76 Spam[ ] 10/04/0811:41:10 w8wadihk@mydomain.net Delivery Status Notification (Failure) 3.1Kb 3.11 Clean[ ] 10/04/0811:41:08 rsadihk@mydomain.net failure notice 3.8Kb 17.34 Spam[ ] 10/04/0811:41:08 iadihk@mydomain.net Returned mail: see transcript for details 4.6Kb 20.08 Spam[ ] 10/04/0811:40:58 kgllv@123.org freiham@mydomain.net Time to get it bigger 3.4Kb 30.47 Spam[ ] 10/04/0811:40:57 npadihk@mydomain.net Delivery Status Notification (Failure) 4.6Kb 22.64 Spam[ ] 10/04/0811:40:57 adihk@mydomain.net Mail delivery failed: returning message to sender 4Kb 20.61 Spam[ ] 10/04/0811:40:52 adihk@mydomain.net Delivery Status Notification (Failure) 4.3Kb 27.35 Spam[ ] 10/04/0811:40:48 teq420@nauticom.net addrcareers@mydomain.net Re: Hey Adidas 1.6Kb 39.13 Spam[ ] 10/04/0811:40:41 5adihk@mydomain.net $B%a!<%kAw?.%(%i!<(B 4.5Kb 20.30 Spam[ ] 10/04/0811:40:30 alijawad1@gmail.com info@mydomain.net Test Ignore 2.3Kb -1.33 Clean[ ] 10/04/0811:40:25 adihk@mydomain.net Returned mail: see transcript for details 5.6Kb 26.56 Spam[ ] 10/04/0811:40:05 kgllv@123.org ediaq@mydomain.net Aim at new love victories 3.3Kb 30.41 Spam[ ] 10/04/0811:40:05 fbadihk@mydomain.net Delivery Status Notification (Failure) 4.4Kb 24.55 Spam[ ] 10/04/0811:40:05 adihk@mydomain.net Returned mail: see transcript for details 6Kb 25.29 Spam[ ] 10/04/0811:40:04 usadihk@mydomain.net Undelivered Mail Returned to Sender