Outlook email error: 503 valid RCPT command must precede DATA (email, outlook)

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Time: 03:57 - Aug 03, 2007 Asked by: david Status: Answered Points: 125

Outlook email error: 503 valid RCPT command must precede DATA

I have started to frequently get this error, when I try to send email from outlook 2003
The following recipient(s) could not be reached:

'xxxx@xxx.com' on 03/08/2007 10:48
503 valid RCPT command must precede DATA

This doesn't happen every time, but frequently.
I'm suspecting it has something to do with my internet connection, because I also experience problems sometimes connecting to sites through my browser. And after a few attempts, I get through.
Do you know what the error means and what I can do to correct it?

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Answer Summary

Dont think its your net connection but odd its intermittent. I wonder if its to specific email addys.
Try the suggestions here http://support.justhosting.ca/index.php?... and see if they help you any

Expert:	nidhi
Date:	Aug 03, 2007
Time:	09:31

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Perfect, nidhi. That was the problem.
The thing is that I recently set my email program (outlook) to check every hour instead of every 5 min. so when before I was sending it had always checked just before, because it was automatic, now this was no longer the case. And the intermittent thing was because if i sent just after the hourly check, obviously it went through without problems.
Thanks a lot...

Expert:	david
Date:	Aug 03, 2007
Time:	13:06

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Cool!

Expert:	nidhi
Date:	Aug 05, 2007
Time:	05:24

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Question Answered

This question has been answered, and points have been rewarded to the following experts:

nidhi:

125

You're welcome however to comment or give additional information or if you wish, you have the ability to write an Answer Summary for this question by clicking on the "Answer Summaries" Tab.

Just in case the link dies!

If you ever encounter this error then this means you must check your email before trying to send mail meaning that our mail server requires authentication, which can be achieved using one of these methods:

A) Pop before smtp -- check your email for new mail before trying to send email. This adds your IP address to a relayhosts file and allows any email to be sent from that IP address for up to 30 minutes. After 30 minutes you have to authenticate again.

B) Configure your email client to authenticate automatically by checking the "my server requires authentication" box in your email configuration. You will be able to send mail without having to "pop" your mail box first.

If using MS Outlook, please try the following:

1) Open outlook
2) Go to Tools/Email Accounts
3) Select the Account with the trouble and click Change
4) Click on More Settings
5) Click on Outgoing Server Tab
6) Click "Outgoing Mail Server (SMTP) requires authentication" and make sure "Use same settings as incoming mail server" is selected (see attached image)
7) Click on "Advanced Tab"
8) Set outgoing Port (SMTP) to 26 (if your hosting account is Linux) or 587 if your hosting account is Windows.
9) Click Ok and then Test Account Settings

If it fails on send then repeat starting from 7.

7) Click on Advanced Tab
8) Set outgoing Port (SMTP) to 465 (See attached)
9) Check the box Beside "The server requires an encrypted connection (SSL)".
10 ) Click ok and then Test Account Settings

Click here to see the Answer Discussion that preceded this summary.

Expert:	nidhi
Date:	Aug 05, 2007
Time:	05:25


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