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Smtp Error 500 5.5.1

Reply admin says: 5. Reply chahat says: 3. In UAT environment the mail is successfully sent. imagine for a moment if you were a regular AT&T customer on a laptop, using Outlook, going between work and home. Check This Out

Privacy Policy Site Map Support Terms of Use ERROR The requested URL could not be retrieved The following error was encountered while trying to retrieve the URL: Connection to in the failed attempt, the rDNS is smtp1.sbc.mail.vip.ne1.yahoo.com, and in this one it's smtp1.sbc.mail.vip.gq1.yahoo.com. no more bounces in the past few days. Posts: 6 Joined: Wed Mar 04, 2009 5:30 am Re: Email error 500 5.5.1 Command unrecognized Quote Postby nemesis » Fri Mar 13, 2009 12:29 am Ok, Just so everyone knows... https://www.hmailserver.com/forum/viewtopic.php?t=20177

Or maybe it's because I'm using a very rare combination of using the standard SMTP load-balancer DNS (smtp.att.yahoo.com), PLUS adding SSL to the connection, PLUS coming from a 3rd-party network... It is just confirming that you are ending the connection with the other mail server. Cisco recommends that all customers continue to sign messages with DKIM and to consider using this feature if not already doing so. either hMailServer for connecting to the wrong server (I'm configured to use smtp.att.yahoo.com as SMTP relayer, with SSL, with auth), or Yahoo for having a screwed-up server setup.But let's think about

  1. There is no way to overcome this.
  2. So my question, is there a workaround for this in NT (I won't call it an issue)?
  3. TLS fails for inbound or outbound messages.
  4. Popular Posts Pumping Lemma Examples Selection sort of Linked List ( Java) Delete a linked list using recursion in C++ SMTP trouble shooting : error 500 5.5.1 "Command unrecognized" Number of
  5. We are receiving from Hotmail, and Yahoo for example, but not from GMail.

Thing is, it works fine for most messages, but stumbles across just that one server whenever DNS returns that address as resolving "smtp.att.yahoo.com". Top rjk Normal user Posts: 248 Joined: 2010-03-30 19:30 Location: uʍop ǝpısdn Re: Undeliverable:"500 5.5.1 Command unrecognized: 'AUTH LOG Quote Postby rjk » 2011-03-14 22:22 Note that it is "smtp.att.yahoo.com" - That would be nice.But nope, it didn't do any of that. Top ^DooM^ Site Admin Posts: 13862 Joined: 2005-07-29 16:18 Location: UK Re: Undeliverable:"500 5.5.1 Command unrecognized: 'AUTH LOG Quote Postby ^DooM^ » 2011-03-18 14:31 Can't say i have ever had any

Download Print Available Languages Download Options PDF (7.8 KB) View with Adobe Reader on a variety of devices Updated:Oct 10, 2014 Document ID:118550 Contents Introduction Why do yousee XXXXXXXA after EHLO Most of it uses email headers, like "is this really from the server it says it's from?", "what email client does it claim to be, is that what the code looks Have you set up the address(es) that you are sending from in the control panel to verify them? http://www.cisco.com/c/en/us/support/docs/security/email-security-appliance/118550-qa-esa-00.html March 2014 at 13:49 An internal CRM application that sends email now throws this message: Date : 3/24/2014 2:47:41 PM Description : Unable to connect to SMTP server. 03/24/14 14:47:40 Opening

Top FalconFour New user Posts: 21 Joined: 2011-02-26 09:38 Re: Undeliverable:"500 5.5.1 Command unrecognized: 'AUTH LOG Quote Postby FalconFour » 2011-03-14 21:34 dzekas wrote:FalconFour wrote:What on earth could cause this sort Top rjk Normal user Posts: 248 Joined: 2010-03-30 19:30 Location: uʍop ǝpısdn Re: Undeliverable:"500 5.5.1 Command unrecognized: 'AUTH LOG Quote Postby rjk » 2011-03-15 05:04 OK. I am able to receive the notifcation emails. Toggle navigation Welcome Functionality Download Documentation Community Forum Contact Quick links Active topics Search The team Search Login Register Board index Support General discussions Search Undeliverable:"500 5.5.1 Command unrecognized: 'AUTH LOGIN'"

What on earth could cause this sort of behavior? I guess we'll see? thanks Reply Admin says: 18. Would message tracing help me there?The only differences between you and yahoo are your IP address (RBL and other DNS tests) and maybe DKIM headers.Only they can cause your message go

Search Primary Menu Skip to content About basics.net Search for: General E-Mail (SMTP) error codes 27. http://phabletkeyboards.com/smtp-error/smtp-error-could-not-connect-to-smtp-host-phpmailer-yahoo.php After a marathon 5 hr. Microsoft Online Services TechCenter   Sign in United States (English) Brasil (Português)Česká republika (Čeština)Deutschland (Deutsch)España (Español)France (Français)Indonesia (Bahasa)Italia (Italiano)România (Română)Türkiye (Türkçe)Россия (Русский)ישראל (עברית)المملكة العربية السعودية (العربية)ไทย (ไทย)대한민국 (한국어)中华人民共和国 (中文)台灣 (中文)日本 (日本語) Promoted by Neal Stanborough Is your marketing department constantly asking for new email signature updates?

hell, I'd bet a good percentage of our site's network load is caused by infected PCs sending out spam. Thread Tools Display Modes 01-19-2009, 07:46 PM #1 jrs Member Join Date: Apr 2007 Location: Phoenix, AZ Posts: 50 Thanks: 0 Thanked 0 times in 0 posts SMTP 500 All rights reserved.Newsletter|Contact Us|Privacy Statement|Terms of Use|Trademarks|Site Feedback TechNet Products IT Resources Downloads Training Support Products Windows Windows Server System Center Browser   Office Office 365 Exchange Server   SQL Server http://phabletkeyboards.com/smtp-error/smtp-server-error-sorry-invalid-mail-from-for-open-smtp-session.php Don't see how that's "contradicting" Anyway, probably not gonna find much help here anyway, seems like a Yahoo thing.

Indeed the certificate upgrade did not go smoothly; things went wrong and in our efforts to sort out those issues we apparently screwed up the configuration of the Edge server. another reason I wish I could make a "bounce" rule instead of a "delete" rule.>What IP address is the website scripting done from? from the mail server's point of view. I moved it from priority 9 to priority 11, and bam...


I've been having some issues with my hMailServer setup ever since I added a new outgoing account for my website's scripting. But I don't know who is to blame... It only generates emails for new registrations. And it's right, "AUTH LOGIN" isn't in the supported commands list.

November 2013 at 12:52 This means that the domain of the sender address does not exist. We messed about with certificates for a while, but in the end, the winning trick was to disable TLS and Mutual Auth TLS on receive connectors on the Edge server. (We This is the only warning I receive when running the ExRCA tests (apart from Outlook Anywhere complaining about SSL certs which is expected). http://phabletkeyboards.com/smtp-error/smtp-error-from-remote-server-in-greeting-host-smtp-in-orange-fr.php If you do what Ranico said and uncheck "Authentication required" you will be able to recieve email notifications.

Oh well, at least now "Command unrecognized: AUTH LOGIN" appears in a Google search. What Do I Do? Top Display posts from previous: All posts1 day7 days2 weeks1 month3 months6 months1 year Sort by AuthorPost timeSubject AscendingDescending Post Reply Print view 8 posts • Page 1 of 1 Return A large part of all reported issues are already described in detail here.