Greylisting - Revision history

Steve410 at 14:04, 24 July 2023

2023-07-24T14:04:55Z

Steve410.cs.jhu.edu at 14:53, 30 November 2018

2018-11-30T14:53:40Z

Steve410.cs.jhu.edu at 14:05, 30 November 2018

2018-11-30T14:05:24Z

Steve410.cs.jhu.edu at 14:02, 30 November 2018

2018-11-30T14:02:55Z

Steve410.cs.jhu.edu at 13:54, 3 November 2016

2016-11-03T13:54:49Z

Steve410.cs.jhu.edu at 13:51, 3 November 2016

2016-11-03T13:51:42Z

Steve410.cs.jhu.edu at 13:47, 3 November 2016

2016-11-03T13:47:45Z

Phil.cs.jhu.edu: Created page with "[https://en.wikipedia.org/wiki/Greylisting Greylisting] is one of the methods used at CS to block spam. It is automatically enabled for everyone with a CS email address. Gre..."

2015-01-28T20:51:21Z

Created page with "[https://en.wikipedia.org/wiki/Greylisting Greylisting] is one of the methods used at CS to block spam. It is automatically enabled for everyone with a CS email address. Gre..."

New page

[https://en.wikipedia.org/wiki/Greylisting Greylisting] is one of the methods used at CS to block spam. It is automatically enabled for everyone with a CS email address.

Greylisting works by delaying delivery of email that comes to us from unknown or untrusted sources. Non-spamming sources will prove they can be trusted by continuing to attempt delivery until the CS server accepts the email. Spammers almost never retry delivery, so spam is prevented from getting to the CS email account.

Because only unknown and untrusted sources are delayed, most people with CS email accounts will not see any effect on their mail (other than a reduced amount of spam). In some rare cases, a legitimate message may be delayed. If you experience problems, please email the CS IT Support staff at [mailto:support@cs.jhu.edu support@cs.jhu.edu] for assistance.

If a message has been delayed by greylisting, it will contain an <tt>X-Greylist</tt> header which will give some additional information about the delay.

[[Category:Spam Filtering]]

@@ Line 1: / Line 1: @@
 [https://en.wikipedia.org/wiki/Greylisting Greylisting] is one of the methods used at CS to block spam.  It is automatically enabled for everyone with a CS email address.
-Greylisting works by delaying delivery of email that comes to us from ''unknown'' or ''untrusted'' sources.  We maintain a list of common known and trusted sources. Additional non-spamming sources not in our known/trusted source list will prove they can be trusted by continuing to attempt delivery until the CS server accepts the email.  Spammers almost never retry delivery, so most spam is prevented from getting to the CS email account.
+Greylisting works by delaying delivery of email that comes to us from ''unknown'' or ''untrusted'' sources.  We maintain a list of common known and trusted sources. Additional non-spamming sources not in our known/trusted source list will prove they can be trusted by continuing to attempt delivery until the CS server accepts the email.  Spammers almost never retry delivery, so most spam is prevented from getting to the CS email address.
 Because only unknown and untrusted sources are delayed, most people with CS email accounts will not see any effect on their mail (other than a reduced amount of spam).  In some rare cases, a legitimate message may be delayed.  If you experience problems, please email the CS IT Support staff at [mailto:support@cs.jhu.edu support@cs.jhu.edu] for assistance.

← Older revision		Revision as of 14:53, 30 November 2018
Line 7:		Line 7:
	If a message has been delayed by greylisting, it will contain an <tt>X-Greylist</tt> header which will give some additional information about the delay.		If a message has been delayed by greylisting, it will contain an <tt>X-Greylist</tt> header which will give some additional information about the delay.

−	[[Category:Spam Filtering]]	+	[[Category:Spam Filtering At CS]]

← Older revision		Revision as of 14:05, 30 November 2018
Line 7:		Line 7:
	If a message has been delayed by greylisting, it will contain an <tt>X-Greylist</tt> header which will give some additional information about the delay.		If a message has been delayed by greylisting, it will contain an <tt>X-Greylist</tt> header which will give some additional information about the delay.

−	[[Category:Spam]]	+	[[Category:Spam Filtering]]

← Older revision		Revision as of 14:02, 30 November 2018
Line 7:		Line 7:
	If a message has been delayed by greylisting, it will contain an <tt>X-Greylist</tt> header which will give some additional information about the delay.		If a message has been delayed by greylisting, it will contain an <tt>X-Greylist</tt> header which will give some additional information about the delay.

−	[[Category:Spam ~~Filtering~~]]	+	[[Category:Spam]]

@@ Line 1: / Line 1: @@
 [https://en.wikipedia.org/wiki/Greylisting Greylisting] is one of the methods used at CS to block spam.  It is automatically enabled for everyone with a CS email address.
-Greylisting works by delaying delivery of email that comes to us from ''unknown' or ''untrusted'' sources.  We maintain a list of common known and trusted sources.  Non-spamming sources not in our known/trusted list) will prove they can be trusted by continuing to attempt delivery until the CS server accepts the email.  Spammers almost never retry delivery, so most spam is prevented from getting to the CS email account.
+Greylisting works by delaying delivery of email that comes to us from ''unknown'' or ''untrusted'' sources.  We maintain a list of common known and trusted sources. Additional non-spamming sources not in our known/trusted source list will prove they can be trusted by continuing to attempt delivery until the CS server accepts the email.  Spammers almost never retry delivery, so most spam is prevented from getting to the CS email account.
 Because only unknown and untrusted sources are delayed, most people with CS email accounts will not see any effect on their mail (other than a reduced amount of spam).  In some rare cases, a legitimate message may be delayed.  If you experience problems, please email the CS IT Support staff at [mailto:support@cs.jhu.edu support@cs.jhu.edu] for assistance.