Error 501 Sending Email
Contents |
reply codesSometimes your SMTP server may return a particular error message. The problem is that it will generally be very cryptic, like "550 Requested action not taken: bios application error 501 mailbox unavailable" or "421 Try again later". What does these numbers mean?First
Dlna Protocol Error 501
of all: not any reply code is an error. Sometimes it's just a response containing a detail about
Smtp Error 501
the server or an answer to a command. Secondly: any code consist of three digits, and each conveys a particular information. The first one defines whether the server has accepted the
Chrome Error 501 Net Err Insecure Response Unknown Error
command, fulfilled an action, run into a temporary issue, encountered an error etc; the second and the third one refine the description further, stating if there's been a syntactic problem, or a connection trouble etc.Unfortunately, different servers sometimes use these codes in a different way, making the whole thing even more complicated... Anyhow, the most critical series of error messages is the error 501 (net::err_insecure_response): unknown error. chrome 5xx one, and especially the ones from 550 to 559. In particular, you will probably get a lot of 550 SMTP error codes – that is, a problem that concerns the recipient's email address.Finally, remember that it's much easier to deal with these error codes if you choose to rely on a professional SMTP server that will help you solve any issue. turboSMTP, for instance, comes with a 24/7 customer support: you can try it free and forget once for all these issues.And here's a list of the main SMTP error or reply messages, with an explanation and a tip about what to do. CODEMEANINGHOW TO SOLVE IT / WHAT TO DO101The server is unable to connect.Try to change the server's name (maybe it was spelt incorrectly) or the connection port.111Connection refused or inability to open an SMTP stream.This error normally refers to a connection issue with the remote SMTP server, depending on firewalls or misspelled domains. Double-check all the configurations and in case ask your provider.211System status message or help reply.It comes with more information about the server.214A response to the H
be down. Please try the request again. Your cache administrator is webmaster. Generated Sat, 08 Oct 2016 13:55:25 GMT by s_ac5 (squid/3.5.20)
here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta http://stackoverflow.com/questions/6841710/5-5-1-501-error-cant-send-mail Discuss the workings and policies of this site About Us Learn more 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, error 501 helping each other. Join them; it only takes a minute: Sign up 5.5.1 501 Error, Can't Send Mail [closed] up vote 0 down vote favorite In the last 4 days, my mail server cant send mail to some domains. I receive these errors: (abc (at) aygaz.com.tr), Result: failed, Status: 5.5.1 501 Syntax error in command parameter(s) Domain name error 501 sending expected (abc (at) total.com.tr), Result: failed, Status: 5.5.1 501 Syntax: HELO hostname (abc (at) telemaks.com.tr), Result: failed, Status: 5.5.1 501 Syntactically invalid HELO argument(s) (abc (at) ziraatbank.com.tr), Result: failed, Status: 5.5.1 501 Syntax error in parameters or arguments (abc (at) normsan.com), Result: failed, Status: 5.5.1 501 5.5.1 HELO/EHLO requires domain address I looked the log files for last 2 years, but find this problem only last 4 days. I searched the error code, but cant solve the problem. Error code descriptions tell same things. "Your email adress, domain invalid, character problem etc." There is Kerio Mail Server 6.7 on Windows Server 2003. I tried to send from different IP adresses, domains, web mail/outlook and disabled antivirus program on the server but problem can't solved. Mail server ip adresses aren't blocked by blacklists. What is the reason of this problem, and how can I solve it? Thanks. sendmail share|improve this question asked Jul 27 '11 at 8:50 Faruk KAHRAMAN 3629 closed as off topic by Hans Olsson, Will Sep 2 '1