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The FLOWGO RBL has gone offline. As a result all IP Addresses are now ''listed.'' Anyone who is using FLOWGO as an anti-spam measure on their server should remove it. If you receive a bounce message saying your mail was rejected due to listing on FLOWGO, please contact the recipient email administrator and advise them that FLOWGO is now ...
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Yes, Greylisting does cause a problem. Our Monitoring servers ''SMTP Ping'' thousands of customer mail servers everyday. As a result, the monitoring server gets Greylisted. To use the service, you will need to whitelist the following CIDR ranges:
64.20.227.128/28
208.123.79.32/27
Thank You,
MXTB Team
PS: Do you have other ...
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Anybody know why I'm not receiving alerts when our mail server is down? We've had numerous incidents over the past week where our server has been rejecting messages for up to an hour and we didn't know. It is set to alert us after 15 minutes.
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MxToolBox provides free email blacklist lookups and monitoring (RBL or DNSBLs)as a free service to the public. We do not endorse any of these blacklists or even recommend them as reliable information to block spam and viruses in inbound emails.
However, many email administrators do choose to use these lists to block emails. We ...
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