open relay การใช้

• All ran open relays, usually fast and often with hazardous baton passes.
• :: : blocking open relays is proper procedure, never mind Enviroknot's identity.
• Open spammers to abuse, eclipsing open relays and other insecure hosts.
• NJABL automatically retests only listed open relays every 90 days.
• One of the first was Alan Brown's Open Relay Behavior-modification System ( ORBS ).
• It forced the provider to implement antispam policies and tools and close their open relays.
• Open relays are recommended against in RFC 2505 and RFC 5321 ( which defines SMTP ).
• Open relays have also resulted from security flaws in software, rather than misconfiguration by system administrators.
• Spam still flows through open relays, but the volume is much smaller than in 2001 to 2002.
• Spammers then looked for so-called open relays.
• Spammers could forward batches of spam through open relays, leaving the job of delivering the messages up to the relays.
• You might find open relay relevant to your specific problem .-- TotoBaggins 23 : 21, 26 March 2007 ( UTC)
• By 2003 less than 1 % of corporate mail servers were available as open relays, down from 91 % in 1997.
• One consequence of the new unacceptability of open relays was an inconvenience for some end users and certain internet service providers.
• The data included spam sources, open proxies, open relays, DDoS drones, Usenet spam sources, and the controversial Shoot On Sight listing policy.
• In response, mail system administrators concerned about spam began to demand that other mail operators configure MTAs to cease being open relays.
• Like open relays, open proxies were once relatively common, as many administrators did not see a need to restrict access to them.
• While most spam originates in the U . S ., spammers hop through open relays across political boundaries to mask their origin.
• But he also picks up other IP from, probably, unsecured routers in his neighborhood, and he apparently uses open relays around the world.
• As spam from proxies and other " spammable " resources grew, DNSBL operators started listing their IP addresses, as well as open relays.