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Reflexion KBA's : RTC
If you are seeing a 503 MAIL FIRST error in a client's outbound queue, this could stem from a number of issues: 1: The MAILFROM field in the message is blank 2: If part of a multiple recipient message, one of the recipients addresses is blacklisted wi...
OVERVIEW The error message "#553 sorry, relay of mail is not allowed. (#5. 7.1) ##" indicates that: * The smarthost is not configured correctly to send mail via asp-submit.reflexion.net * The sending IP address(es) of the server are not listed as a...
OVERVIEW This error indicates the connection died after the we sent the data, often a sign that the receiving server's content filtering is being maxed out or that there is some type of connection filtering on the server/firewall. For our customers usi...
How to setup ConnectWise.
OVERVIEW If you are using our outbound smarthost and have a need for an SPF record on your domain, please use the record below as a starting point. While all environments are different and you may require additional tokens, this record will authorize R...
OVERVIEW See the attached guide for Exchange 2013, Exchange 2007/2010, and Exchange 2003 smart host setup instructions. FEEDBACK AND CONTACT If you've spotted an error or would like to provide feedback on this article, please use the section below to ...
This article is for issues sending to Gmail recipients and seeing the following error: Remote host said: 421-4.7.0 This message does not have authentication information or fails to pass 421-4.7.0 authentication checks. To best protect our users from spam,...
OVERVIEW Enforcing IP restrictions is absolutely critical to ensure complete protection of your mail server. Because hackers and spammers can easily bypass cloud services and target your server directly, mail servers protected by Reflexion should only ac...
OVERVIEW NOTE: We recommend this process is completed using Internet Explorer. There are known issues with browser controls used in the final validation step. To set up outbound mail with Office 365, you will need to do the following: * Log into th...
Overview The Reflexion Quick Start Configuration Guide (attached below) features setup tips for the Reflexion Total Control (RTC), Archiving (RADAR and RADAR Lite), and Encryption (RTCEncrypt) services. The guide is also available as a 7.5-minute vide...
Reflexion Total Control Best Practices
Reflexion: One-Minute Video - Address-on-the-Fly
Reflexion: One-Minute Video - RTC Email Security
OVERVIEW You get the the following error in Reflexion: Send mail through your approved SMTP relay, or add a PTR record so the rDNS check more closely resembles their HELO name. This error also occurs when there is an SPF record mismatch and the recei...
RFC2183 is an attachment filtering option in Reflexion. If a message is tagged with the error message that you've provided in your quarantine, this means that the message sent to or from you does not meet this RFC2183 standard. WHAT IS RFC2183? Some...
For this Setup piece, we draw heavily from Google's own documentation.  Please start with this page: https://support.google.com/a/answer/2685650?hl=en&ref_topic=2921034 [https://support.google.com/a/answer/2685650?hl=en&ref_topic=2921034] This page is...