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RSS News Feed
Using our public mirrors? Check your return codes now 2021-02-11 UTC
Back in late 2019, we advised of some new return codes for users of our public mirrors.... (>)

Update for Composite Blocklist (CBL) Users 2020-12-18 UTC
As of January 5th, 2021, the Composite Blocklist (CBL) is being retired. This data, however, is included in the eXploits Blocklist (XBL).... (>)

Spamhaus DNSBL return codes: technical update 2019-09-30 UTC
A new set of DNSBL query error codes has been added to public Spamhaus DNSBL zones. While it will be quite uncommon for most Spamhaus users to encounter these codes, it is vitally important that software developers implement all return codes correctly.... (>)

A Survival Guide for the Small Mail Server 2015-03-19 UTC
Nowadays many companies and organizations (non-profits, units of governmental and educational institutions, etc) believe that running their own mail servers has become an impossible task, due both to the large amount of inbound spam and to the continuous attempts by spammers to send outbound spam through their mail servers. Companies often lack in-house technical resources to configure and... (>)

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