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Qmail

The Trouble with SPF and email

April 2, 2010April 15, 2010 adminAdmin, Email

Over the last couple of weeks it seems that some email servers are strictly enforcing the rejection of email when a domain’s email address header does not have a matching SPF record. The problem is further compounded since very few […]

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OpenSSL Security Update Problems

January 15, 2010January 16, 2010 adminAdmin, Email, PHP, Unix

Yesterday we received and applied a new security update contained in openssl-0.9.8l_2 designed to address “man in the middle attacks” which allows attackers to insert data into HTTPS sessions, and possibly other types of sessions protected by TLS or SSL. […]

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Gossamer Introduces Dynamic Email Blacklists

August 17, 2009August 18, 2009 adminAdmin, Unix

Over the past year, Gossamer has deployed additional filtering for SPAM offenders which automatically traverse our log files and updates our tcp.smtp file to block any IP address that is guilty of sending 5 or more  SPAM messages in a […]

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