SMTP Status Codes What the message may mean 101 - Cannot open connection (also called SMTP Error 1.0.1) SMTP Error 101 : Typically your SMTP server or email program is unable to even start an SMTP session.
Typical replies will be "SMTP Error 101, Error opening connection" or "SMTP Error 101, cannot open SMTP stream".
An undefined parameter value is replaced with the empty value.
The expressions "$" and "$" are replaced with "value" when "$name" is non-empty.
220 - service is running (also called SMTP Error 2.2.0) SMTP Status 220 : This is normally the first message you will get back from the server. SMTP Reply 220 is effectively a "Hi There, I have just this second finished starting up - I am ready to go and at your command" informational message.
221 - The domain service is closing the transmission channel (also called SMTP Error 2.2.1) SMTP Error 221 : The server is ending the mail session - it is closing the conversation with the ISP as it has no more mail to send in this sending session.
or any device, So that you can over come outlook errors First we will learn how to Export a Certificate request file from Exchange 2013, Step 1: Login to Exchange Administration Center (EAC) in Exchange 2013 Servers – Certificates – Click on the “ ” Sign – New Choose “Create a request for a Certificate from the Certification authority” Next Type a Friendly Name : Wild Card is used if you are going to manage more URLs . Choose the Server to have the Cert Request Step 2: Enter the Required URL’s for your Exchange , For Example Am entering only for Outlook Web App (When accessed from the internet) Step 3: You will see the collection for URL’s Step 4: Fill out the Form Create a Simple Share to Save the Cert Request Save the Cert Request to a Shared Location as below Now you could see the Pending Cert Request Step 5: Your request file would look like this Exchange is the request file you created.
211 - System Status message or System Help Reply (also called SMTP Error 2.1.1) SMTP Error 211 : SMTP status 211 prefaces a message about the Mail Server status or a System Help reply to the user requesting help information.The depth and breadth of Asterisk is staggering—installations with hundreds of thousands of users are now commonplace. Asterisk scales up and down from individual lines to vast multiserver installations across multiple continents, but the way to start is to install the package, open up some of the configuration files, and start looking at examples.I see Asterisk making deep inroads into the financial, military, hospital, Fortune 100 enterprise, service provider, calling card, and mobile environments. From the basic beginnings of a PBX that Mark Spencer coded in 1999, the Asterisk project, with the help of thousands of developers, has moved from simply connecting phone calls and has matured into a platform that can handle voice, video, and text across dozens of virtual and physical interface types.Using a internal windows CA certificate with Exchange 2010 Using a Self Sign Certificate can Manage Owa alone, But Issuing a Internal Windows CA Certificate can serve all type of Clients So will learn how to do it on Windows Server 2012.We can use a internal windows CA certificate with Exchange 2013 to avoid Cert Errors Something which you need to know is , Using a Internal Windows CA Certificate you need to install the certificates on every machine you use and Mobile devices other wise you will end up in a certificate error.