Steve, I have noticed a similar error over the last few days

"undeliverable to [EMAIL PROTECTED]

SMTP connection faile"

the issue happening on my win2k server running imail. We haven't made any changes to the mail server.

Martin


List Server wrote:


On Jan 22, = 2008, at 10:12 AM, Diarmaid Mac Aonghusa wrote:

    Hi

    Over the last few days our users are getting = mails bounced back
    form various
    domains with SMTP connection = failures.  These are all valid
    addresses that
    have been = delivered to before.

    E.G.

    "Delivery failed 10 attempts: [EMAIL PROTECTED]

    SMTP connection = faile"

    Running the latest version of Imail on windows Server = 2003.  Our
    server
    (mail.fusio.net / 82.195.132.150) does not = seem to ahve been
    blacklisted.
    No config changes that I am aware = of.

    Would appreciate any suggestions as to the = cause.

    Thanks






Steve = Guluk

(949) = 661-9333

ICQ: = 7230769





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