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troubleshooting Question

SMTP Communication Problem

Avatar of CADRE308
CADRE308Flag for United States of America asked on
ExchangeMicrosoft Legacy OS
6 Comments1 Solution373 ViewsLast Modified:
I recently setup an exchanger server for a customer. We were getting returned e-mail for about a day due to a reverse DNS lookup problem That has been resolved but there are a couple of mail servers the keep returning our e-mail. the most common reson is below. When i google it I get so many variation that it is hard do decipher.

There was a SMTP communication problem with the recipient's email server.  Please contact your system administrator.
            <mail.xxxx.org #5.5.0 smtp;554 Transaction Failed Spam Message not queued.>
Avatar of shauncroucher
shauncroucherFlag of United Kingdom of Great Britain and Northern Ireland image

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