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How To Fix Email Fatal Smtp Error 334 Ugfzc3dvcmq6
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Symptoms & Summary
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File Size 746 KB
Compatible Windows XP, Vista, 7 (32/64 bit), 8 (32/64 bit), 8.1 (32/64 bit) Windows 10 (32/64 bit)
an AuthLogin SMTP server From: Joel Rubin
SMTP_SERVER = 'mail.nerdshack.com' SMTP_PORT = '25' SMTP_AUTH_USER = 'jmrubin' - SMTP_AUTH_PASS = '[censored]' ============================ After I give the command email -s "Test" email@example.com I get the following error: Communicating with SMTP server... email: FATAL: Smtp error:
334 UGFzc3dvcmQ6 Caught an ERROR, Shutting down... =========================== The "error" is just the mail server asking me for the encrypted form of my user name after I give the AUTH LOGIN command. UGFzc3dvcmQ = "Username:" in base 64. It then asks for "Password:" the same way. I can login to the SMTP server with telnet. Why does this program die on a 334 message? 334 is a request for more info, not an error. -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/ Follow-Ups: Re: Email with an AuthLogin SMTP server From: René Berber Index Nav: [DateIndex] [SubjectIndex] [AuthorIndex] [ThreadIndex] Message Nav: [DatePrev][DateNext] [ThreadPrev][ThreadNext]
Exchange Server 2010 - SMTP Auth Login Troubleshooting SMTP Auth Login with Telnet This page explains the Microsoft syntax that SMTP needs to login to an Exchange server 2010. Here are SMTP commands that you can try using telnet auth login 504 5.7.4 unrecognized authentication type to test email. Topics for Exchange SMTP Auth Login 0) Pre-requisite - Get Your Base64
Encoder 1) Launch Telnet from a Cmd Prompt 2) Type One Word: ehlo 3) SMTP Auth Login Plain 4a) Encrypted Username 4b) Encrypted Password telnet smtp auth office 365 5) Sending Email ♠ Understanding the SMTP Auth Login Reasoning I am embarrassed at how long it took me to master the SMTP verb Auth Login. Rather than pretending that AuthLogin is easy, I am going to go https://cygwin.com/ml/cygwin/2007-02/msg00619.html slowly and give you even more instructions than usual. My mission is to explain how to send email from the command line. We will open a telnet shell and connect to the Exchange 2010 server. Once we receive the 250 OK reply code, we will issue the SMTP commands to encode the password. Before you go any further, ask your self, 'do I really need to authenticate?' Could I just try sending email using the plain commands, http://www.computerperformance.co.uk/exchange2010/exchange_2010_smtp_auth_login.htm mail from: and rcpt to:? Another benefit of trying this simpler technique is that you will gain experience of the telnet and SMTP commands before you grapple with Auth Login and encoding. 0) Pre-requisite - Get Your Base64 Encoder It is essential that you obtain a base64 encoder. Before you go any further you must be able to encode username and password. For me, even this first step wasn't easy, foolishly, I searched in Google for a 64Bit encrypter instead of a base64 encoder. So here are two important lessons, pay attention to detail, and this is where you can get a good base64 encoder: Opinionated. 1) Launch Telnet From a Cmd Prompt This part is easy. We are testing that the SMTP service is running on the Exchange 2010 server. Here is your simple command to test the SMTP. From the cmd prompt, type: Telnet server 25. (Where 'server' is the HostName of your Exchange 2010 server.) Telnet server 25 What you should see is this. 220 guy.cp.com Microsoft ESMTP MAIL Service, ...... Learning Points 220 - A SMTP return code meaning success. guy.cp.com - Is the fully qualified name of the server. Microsoft ESMTP MAIL Service - Tells you this mail server understands Extended SMTP. See here for my help troubleshooting NDR messages Guy Recommends: The SolarWinds Exchange Monitor Here is a free tool to monitor your Exchange
here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more http://stackoverflow.com/questions/1233291/problem-with-smtp-authentication-in-php-using-phpmailer-with-pear-mail-works about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Problem with SMTP authentication in PHP using PHPMailer, with Pear Mail works up smtp auth vote 14 down vote favorite 7 I´m having trouble sending a e-mail with the PHPMailer class, but it works with PEAR Mail::factory. I guess the problem is with the SMTP authentication, but I couldn´t find the problem. The code with problem is: IsSMTP(); // set mailer to use SMTP $mail->Host = 'mail.xxx.com.br'; // my host here $mail->SMTPAuth = true; // turn on SMTP unrecognized authentication type authentication $mail->Username = 'firstname.lastname@example.org'; // a valid email here $mail->Password = '***'; // the password from email $mail->From = 'email@example.com'; $mail->SMTPDebug = true; $mail->AddReplyTo('firstname.lastname@example.org', 'Test'); $mail->FromName = 'Test SMTP'; $mail->AddAddress('email@example.com', 'firstname.lastname@example.org'); $mail->Subject = 'Test SMTP'; $mail->IsHTML(true); $mail->Body = 'Teste
"; echo "Mailer Error: " . $mail->ErrorInfo; exit; } ?> The code with PEAR that works is:Versao de email em HTML