Delay in email delivey

Posted on 2007-09-28
Last Modified: 2010-04-18
I am having email delivery issue, it takes around 5-10 hours to delivery email. sometime it returns this error

" Remote host said: 550 5.7.1 Requested action not taken: message refused  "

it looks this problem is only with domain email
Question by:joyjohn
    LVL 3

    Expert Comment

    Often that's because DNS-BL lists have blacklisted your IP address.  This might not be your fault, or perhaps your server is connected to a set of IP addresses considered dialup or public (home cable modems, for example).  Try a site like this to see if that's the problem:

    Author Comment

    email are delivering after 5-10 hrs not completly blocked
    LVL 3

    Accepted Solution

    I'd be happy to help you more, but there's not much for me to go on.  If you are receiving a 550 error, that can be diagnosed, but if they are simply delayed, I'd check and see if your server is sending mail directly, or if you're using a "smart" mail server to relay mail from your exchange box.  Look in the SMTP server's properties.

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