Email Error Message 554 5.7.1
PKI Service Identity Access Manager Shop Online Cyber Security Services Managed Security Services DeepSight Intelligence Incident Response Security Simulation Website Security SSL Certificates Complete Website Security Code Signing Certificates Norton Shopping Guarantee Buy SSL Products A-Z Services Services Home Business Critical Services Consulting Services Customer Success Services Cyber Security Services Education Services Solutions Solutions Home Topics Encryption Everywhere Internet of Things Next Generation Endpoint Office 365 Industries Automotive Cyber Insurance Education Financial Services Global Service Providers Industrial Control Systems Healthcare Retail Government Federal Government State & Local Support Center Technical Support Symantec Connect Buying Programs Upgrades Maintenance & Renewals Training Security Center Security Center Home Blogs ISTR Threats Virus Definitions and Security Updates Removal Tools Partner Find a Partner Become a Partner Login Required Login into Partner Portal Partner Licensing Partner Renewals Partner Training Margin Builder Opportunity Registration Financial Benefits English 中文(简体) 中文(繁體) Česká English Français Deutsch Magyar Italiano 日本語 한국어 Polski Português Pусский Español Site: Symantec Enterprise Small Business Norton United States Search Support Home Support Home MySymantec Licensing Products A-Z SYM16-015 Security Advisory Login Profile Subscriptions Logout Login Forgot Password? Don't have a SymAccount? Create a SymAccount now!' Message Rejected with SMTP Code 554. 5.7.1 TECH169847 September 16th, 2016 http://www.symantec.com/docs/TECH169847 Support / Message Rejected with SMTP Code 554. 5.7.1 Did this article resolve your issue? Thank you for your feedback! Provide feedback on this article Request Assistance Print Article Products Related Articles Subscribe to this Article Manage your Subscriptions Search Again Situation You are sending emails to an external domain and you get a Delivery Failure Message which says: 554. 5.7.1. Cause SMTP Code 554. 5.7.1 is a rejection from the Recipient Domain. SMTP Code 554. 5.7.1 means 'Not allowed'. The address in 'Mail From' appears to have insufficient submission rights, or is invalid, or is not authorized with the authentication used; the address in an RCPT TO command is inconsistent with the permissio
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view Printable view Export to Adobe Acrobat (PDF) Export to Microsoft Word Email this page Other pagesHome page Dashboard News Recent updates RSS feed builder Index Site map Labels Attachments index People http://kb.mit.edu/confluence/display/istcontrib/554+5.7.1+Delivery+not+authorized Directory AccountLog in History History 554 5.7.1 Delivery not authorized Question I tried http://exchange-server-guide.blogspot.com/2016/04/554-571-you-are-not-allowed-to-connect.html to send MIT email and got an email error "554 5.7.1", what does it mean? 554 5.7.1 Delivery not authorized 554 5.7.1 You are not allowed to connect Answer It probably means that MIT's spam filter blocked the mail. Knowing why the mail was blocked is harder - our spam email error filter (Symantec Brightmail) can block various messages for various reasons. Symantec's official answer to the topic is here: http://www.symantec.com/docs/TECH169847 - Message Rejected with SMTP Code 554. 5.7.1 MIT-specific answer While Symantec's official answer gives a few bullet points for people to work through, we will comment that the most common situations encountered by IS&T Customer Support are: problems with the sender's reputation problems email error message with the sender's DNS. Sender's Reputation When a sending site connects to MIT to submit mail, MIT's spam filter does some lookups based on the IP address of the connecting site. If the spam filter determines that the sender's IP address has a "negative reputation", it will reject the mail with a 554 5.7.1 error. To investigate problems with the sender's reputation, consult http://ipremoval.sms.symantec.com/lookup/ Sender's DNS In addition to considering the reputation of the sender's IP address, MIT's spam filter also checks to see if the sender has configured reverse DNS for their IP address. Loosely speaking, MIT requires that the sender have a properly-configured hostname, and treats them as a spammer if they do not. The message "Delivery not authorized" could happen for multiple reasons: no reverse DNS record exists for the connecting IP address the reverse DNS record exists for the connecting IP address, but the 'A' or 'AAAA' record of the resulting domain does not match the connecting IP address the domain provided at HELO and EHLO has neither an 'A', nor an 'AAAA', nor an 'MX' record in DNS Here are some Symantec ar
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