Fix Smtp Error 553 5.3.0 (Solved)

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Smtp Error 553 5.3.0

Troubleshooting: Verify that the SMTP address of the recipient is formatted correctly and resend the message." -------------- SMTP Error 513 is also used by a small percentage of mail servers to I have no idea what this means and don't know what this address is. To protect our system and to ensure that it operates well for all of our customers, we have decided to block all messages originating from your system. The fourth @prodigy user has had 114 conversations over 12 months with one user on our domain. Check This Out

Of those 142 messages, 4 email users on our domain send email to 4 users. The next attempt to send by your server may prove successful. We do this to protect the servers. Note : "Mail Server" in this case can be any of the mail servers on the message's route - the sending server (your server), the ISP SMTP server, or the recipient's

Please help! :) Reply Tim S Staff 11,809 Points 2015-11-20 9:15 am Basically, the server that received your email could not deliver it. Contact Us - Advertising Info - Rules - LQ Merchandise - Donations - Contributing Member - LQ Sitemap - Main Menu Linux Forum Android Forum Chrome OS Forum Search LQ Please check your mail client settings or contact your administrator to verify that the domain or address is defined for this server.". 504 - Command parameter not implemented. (also called SMTP You might for example issue a command to the mail server to display a list of commands you can use and the server replies with an SMTP Reply 211 followed by

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I even restarted it to be sure. Solved Sendmail server rejecting our Email (553 5.3.0 user unknown) but the user is good Posted on 2010-12-30 Email Servers Email Software Linux 1 Verified Solution 10 Comments 2,537 Views Last Sorry it didn't work out. : does not like recipient. Please do not put the blame on other ISP's when you appear to be blocking email for a technically incorrect reason.

I hope this response is a misunderstanding, but it has been told to your customers several times who can not receive email from other ISP's. Best Regards, TJ Edens Reply Phil n/a Points 2015-09-27 4:21 pm many thanks. Skip to Main Content Skip to Navigation Questions? Your cache administrator is webmaster.

This can happen for example in very large corporation where the first email receiving server might only be an email exchanger server, a gateway server to the eventual server which holds Note : this error, particularly if repeated, can be indicative of communications problems, such as a noisy line, intermittent drops in network connections, etc... ------------------------------ SMTP Reply Code 503 is nowadays speedsakiller, Mar 26, 2015, in forum: Help Desk Replies: 0 Views: 738 speedsakiller Mar 26, 2015 Log in with Facebook Log in with Twitter Log in with Google Your name or popowich, Mar 28, 2016 #11 Chris Truitt New Email Joined: Mar 28, 2016 Messages: 2 Likes Received: 0 Thanks Popowich.

I know that that hosting provider does not block spam. I'll update as I go and most likely will point to this page in the reach out. 1st Tweet Reaching out to @ATTBusiness @ATT for help on a email blacklist issue. SMTP Error 471 (or 4.7.1) is usually tagged onto a primary SMTP error code, for example "SMTP Error 450 4.7.1", or "SMTP Error 451 4.7.1", or "SMTP Error 550 4.7.1". Microsoft Exchange will not try to redeliver this message for you.

Sorry if I was unclear earlier. his comment is here Thank you, John-Paul Reply zoezin n/a Points 2016-07-04 8:28 pm What does it mean when you receive an email stating "Undelivered Return to Sender All Messages from (then my IP address) I've checked and Sendmail is running. Then visit to request a removal of the block.

It is never the intention of the AT&T Postmaster staff to intentionally block legitimate mail. or With Yahoo, on the other hand, this usually means the email address does not exist or has been disabled. (also called SMTP Error 5.5.4) cannot be delivered. I know the user exists. 0 LVL 4 Overall: Level 4 Linux 1 Message Accepted Solution by:patterned2010-12-30 Is the IP different from the domain that passes? this contact form Retrieved from "" What links here Related changes Special pages Printable version Permanent link This page was last modified on 6 February 2016, at 08:48.

A few things... 1. So your config is OK. The online form for AT&T delisting requests insists the above SMTP relay is not blocked.

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First Name Please enter a first name Last Name Please enter a last name Email We will never share this with anyone. You can ask about your ISP about how to get a new IP and how to check for malware. Well, this happened two weeks ago. This happened to me once where one of the server I checked for RBL and DNSBL went bad.

Best, Chris WorldBuilder View Public Profile View LQ Blog View Review Entries View HCL Entries Visit WorldBuilder's homepage! or it just doesn't plain exist and the employee/user has left, so IT removed the address. Test mails return with the following error: Quote: Technical details of permanent failure: PERM_FAILURE: Gmail tried to deliver your message, but it was rejected by the recipient domain. navigate here Join & Write a Comment Already a member?

It indicates that the recipient's mail queue on their Exchange Server has been stopped (frozen), probably while the Network Administrator troubleshoots some problem. 441 - The recipient's server is not responding Most requests for removal are honored within two days. It looks like there are no questions about this page. advantageecommerce View Member Profile Jul 9 2013, 04:07 PM Post #7 Group: Verified NS Member Posts: 160 Joined: 3-March 11 Member No.: 13,148 She can email anyone but your Network Solutions

Chris WorldBuilder View Public Profile View LQ Blog View Review Entries View HCL Entries Visit WorldBuilder's homepage! Come on NS, we come here for help and solutions not finger pointing and the usual blame blame blame bs. You need to look at the sendmail log /var/log/sendmail on what is going on with it. By emailing this address you have already taken the first step in resolving this issue.

The first link is links and tools for blocks and issues. Please consult your logs to see what might be causing this situation and how it can be fixed. Join our community today! We investigate each and every block report and removal request we receive, and take the appropriate action, of which you will be notified.

The is the address of the server itself (eth1), which is facing my LAN. Example of an SMTP Error 450 reply message : "450 Please try again later". I'm on outlook 2013 using an aol account P Reply TJEdens Staff 10,077 Points 2015-09-27 3:13 pm Hello Phil, In your outgoing mail server settings is there a check box