Email Security.cloud

 

Hello, the last few days all our mail to Symantec customers returns bounced.

 

Other mail system problem ('553', ['Message filtered. Refer to the Troubleshooting page at', 'http://www.symanteccloud.com/troubleshooting for more', 'information. (#5.7.1)']

 

I've checked our IP addresses (134.221.1.26 and 134.221.1.27) against many blacklists, and they are OK.

 

When testing using telnet it seems messages with Received: headers are rejected

 

250 ok 1500986338 qp 11317 server-6.tower-184.messagelabs.com!1500986119!124095661!4 MAIL FROM:<removed> 250 OK RCPT TO:<removed> 250 OK Data 354 go ahead Received: from exc-cashub01.tsn.tno.nl (HELO mail.tno.nl) ([134.221.225.220]) by mailhost1a.tno.nl with ESMTP; 25 Jul 2017 10:59:11 +0200 Received: from EXC-MBX02.tsn.tno.nl ([fe80::5836:4645:c512:f964]) by EXC-CASHUB01.tsn.tno.nl ([fe80::b855:be6:1aa8:4d0f%13]) with mapi id 14.03.0319.002; Tue, 25 Jul 2017 10:59:12 +0200 Subject:test test . 553-Message filtered. Refer to the Troubleshooting page at 553-http://www.symanteccloud.com/troubleshooting for more 553 information. (#5.7.1)

 

Same message without the Received headers is accepted.

 

Can somebody please explain how to fix this

 

Thanks, Jacco

 

Hi Jacco

In order to have this issue looked into please can I ask you to follow the process laid out here:

https://support.symantec.com/en_US/article.TECH82881.html

Thank you

Ian Tiller

Tier 2 Senior Technical Support Engineer