Error 550 in email

Posted on 2009-02-18
Last Modified: 2012-05-06
This is a delivery status notification, automatically generated by MTA on Wed, 18 Feb 2009 09:38:15 -0800
Regarding recipient(s) :
Delivery status : Failed. Message could not be delivered to domain <> .Failed while initiating the protocol. <[('', 550, ' ( []:45575 is\r\n550-currently not permitted to relay through this server. Perhaps you have not\r\n550-logged into the pop/imap server in the last 30 minutes or do not have SMTP\r\n550 Authentication turned on in your email client.')]>
MTA Response :550
The original message headers are included as attachment.
Question by:scaseylightworker
    LVL 97

    Accepted Solution

    Hello scaseylightworker,

    Your ISP is not letting anyone send out mail via SMTP server other than its own.

    Try using outgoing port 587.

    If no joy, you need to use your ISP to send out mail, or ask your ISP to allow you to send via other SMTP servers.

    Hope this helps!
    LVL 6

    Assisted Solution

    Another common issue is Pop-before-SMTP, where your server requires you to log in and check incoming emails before you are allowed to send. Outlook has a spot for checking mail before sending, and including your logon info to the outbound server.

    Author Closing Comment

    Thanks it the issue was with the recipiant and not my email system.
    Thanks again
    LVL 97

    Expert Comment

    scaseylightworker, glad the problem is fixed.

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