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- Online Backup FAQs 117 The most asked (and answered) questions about our great backup services Most Popular Articles Mail Error 503 valid RCPT command must precede DATA When sending email, if you receive an immediate bounceback, such as 503 valid rcpt command must precede data 2016 the following: Â Subject:... Building your Site Online with RVSitebuilder Pro Tutorials [16] Tutorials include: Getting Started with RVSiteBuilder PRO, Editing your website information in... Control Panel Tutorials (x3 Theme) [31] Tutorials include: How to login to cPanel, How to create a POP email account, How to create a... Configure your Mail Client Tutorials [12] Tutorials include: How to configure an email account in Thunderbird, How to configure an email... Using FTP to Maintain your Site Tutorials [24] Tutorials include: Configuring your website in FileZilla, Uploading files using FileZilla,... Support My Support Tickets Announcements Knowledgebase Downloads Network Status Open Ticket Copyright © 2016 dotCanada.com. All Rights Reserved.
Base Search results for server error 550 authentication "218" - 1 results Search Sort by Relevance 503 valid rcpt command must precede data siteground Most Recent Most Viewed Most Helpful Most Solutions Resource Type Email not sending http://www.dotcanada.com/secure/knowledgebase.php?action=displayarticle&id=81 from Client or Webmail Trying to send out emails from multiple email accounts fail from both webmail and third party email clients. Possible Reasons: The maximum emails https://my.bluehost.com/cgi/help/218 per hour has been exceeded. This can be caused by forw products shared hosting WordPress hosting vps hosting dedicated hosting reseller hosting hosting features programs WordPress affiliates education business on tapp support chat tickets knowledge base system status company associates terms of service about privacy policy careers blog contact © 2002-2016 Bluehost Inc. All rights reserved. *Promotional pricing is for the first term only and regular rates apply upon renewal. 30-Day Money-Back Guarantee does not extend to domain names.
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Shenandoah About Contact Us Donations « Flashback isn't the first OS X virus Outlook 2010: Mailbox Full » Outlook 2010: 503 valid RCPT command must precede DATA error Published June 7, 2012 | By InetDaemon (Jump straight to The Fix) The Reader's Question: Dear InetDaemon, Why do I get a "503 Valid RCPT command must precede DATA" message when I send to some people? Thanks! The Error Message This mail message is sent to you automatically by the mail server.  It most often happens when you are sending to someone who doesn't use the same mail provider you use.  The mail server will automatically send you this notification when you have not configured Outlook to send your login information to the server before sending e-mail.  The body of the notification email will have a message that looks something like this: FROM: System Administrator TO: InetDaemon Subject: Undeliverable: Test Message Your message did not reach some or all of the intended recipients.      Subject:   Test Message      Sent: 6/2/2012 7:38 AM The following recipient(s) cannot be reached:     Â
on 6/2/2012 7:38 AM 503 Valid RCPT command must precede DATA Why It Happens Responsible email providers will require you to configure Outlook to log in to their server before sending e-mail to restrict the ability to send mail from their servers to just their own customers. Â This helps block spam by preventing anyone who doesn't have a login from sending an e-mail from that server. Â Your mail service provider requires that you verify your account information before downloading mail (via IMAPÂ or POP3), and they also require it before sending mail via Simple Mail Transfer Protocol (SMTP). Sending login information to the server before sending an e-mail is not a Microsoft Outlook default, so you get an error from your email provider's mail server when sending to external providers. The Geeky Bits The mail server that actually sends your e-mails for you has been configured to