Email blacklisting - Revision history

Ga627: /* See also */

2025-04-08T19:02:33Z

Fn352: /* Reporting */ comma added

2018-01-18T22:47:19Z

Reporting: comma added

← Older revision		Revision as of 22:47, 18 January 2018
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	If the blacklist doesn't clear in 24 hours or so and you still can't send a message to a certain e-mail provider the bounce back message may provide instructions for the NCF staff to help speed up clearing the blacklisting of NCF mail. Normally you can't do that yourself directly, though. You can see if there is already a posting about the specific issue on the [http://www.ncf.ca/ncf/dg/index.jsp?dg=1 NCF Help Desk Discussion Group] and, if not, post one or send the information to NCF via an [http://www.ncf.ca/ncf/support/officeMsg.jsp? office message].		If the blacklist doesn't clear in 24 hours or so and you still can't send a message to a certain e-mail provider the bounce back message may provide instructions for the NCF staff to help speed up clearing the blacklisting of NCF mail. Normally you can't do that yourself directly, though. You can see if there is already a posting about the specific issue on the [http://www.ncf.ca/ncf/dg/index.jsp?dg=1 NCF Help Desk Discussion Group] and, if not, post one or send the information to NCF via an [http://www.ncf.ca/ncf/support/officeMsg.jsp? office message].

	Some blacklists respond well to NCF system administrator requests for removal of NCF from a blacklist and others do not. Some blacklists do not take inputs at all and NCF has no means to make them take our mail other than just waiting for the list to clear on its own.		Some blacklists respond well to NCF system administrator requests for removal of NCF from a blacklist and others do not. Some blacklists do not take inputs at all and NCF has no means to make them take our mail, other than just waiting for the list to clear on its own.

	==Prevention==		==Prevention==

Fx479: /* Prevention */

2017-01-23T18:56:35Z

Prevention

← Older revision		Revision as of 18:56, 23 January 2017
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	The best way to prevent blacklist problems is to keep NCF mail off other provider's blacklists in the first place.		The best way to prevent blacklist problems is to keep NCF mail off other provider's blacklists in the first place.

	The easiest way to do this is for NCF members who run Microsoft Windows to [[Using Windows safely\|ensure they use it safely as possible]], including making sure that they are running an anti-virus application. Some recent surveys have shown that almost half of all Windows PCs are infected and are part of botnets. Windows users ~~need~~ keep their virus definitions up-to-date and run scans daily to prevent themselves from becoming part of spamming botnets.		The easiest way to do this is for NCF members who run Microsoft Windows to [[Using Windows safely\|ensure they use it safely as possible]], including making sure that they are running an anti-virus application. Some recent surveys have shown that almost half of all Windows PCs are infected and are part of botnets. Windows users must keep their virus definitions up-to-date and run scans daily to prevent themselves from becoming part of spamming botnets.

	If you are running Windows and do not have anti-virus installed some good free anti-virus applications are:		If you are running Windows and do not have anti-virus installed some good free anti-virus applications are:

Fn352: /* See also / Email spoofing

2016-05-04T18:09:37Z

Fn352: /* What causes blacklisting of NCF mail */ https

2015-12-08T19:56:00Z

What causes blacklisting of NCF mail: https

← Older revision		Revision as of 19:56, 8 December 2015
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	==What causes blacklisting of NCF mail==		==What causes blacklisting of NCF mail==
	Generally other e-mail providers blacklist NCF mail when they think that a high volume of spam is coming from NCF. This may actually be the case or it may be that a spammer is [~~http~~://en.wikipedia.org/wiki/Spoofing_attack spoofing] NCF IP addresses, in other words pretending that their spam mail is coming from NCF, when it isn't.		Generally other e-mail providers blacklist NCF mail when they think that a high volume of spam is coming from NCF. This may actually be the case or it may be that a spammer is [https://en.wikipedia.org/wiki/Spoofing_attack spoofing] NCF IP addresses, in other words pretending that their spam mail is coming from NCF, when it isn't.

	In most cases blacklisting of NCF occurs because one or more NCF members running Microsoft Windows have had their computers infected with a virus that grabs their address book and sends out spam to all their contacts. Their computer may also be part of a [~~http~~://en.wikipedia.org/wiki/Botnet botnet] and under remote control to send out large quantities of spam.		In most cases blacklisting of NCF occurs because one or more NCF members running Microsoft Windows have had their computers infected with a virus that grabs their address book and sends out spam to all their contacts. Their computer may also be part of a [https://en.wikipedia.org/wiki/Botnet botnet] and under remote control to send out large quantities of spam.

	==What can you do if your email gets bounced==		==What can you do if your email gets bounced==

Fn352: /* What can you do if your email gets bounced */ clarify

2014-12-18T00:11:31Z

What can you do if your email gets bounced: clarify

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	*See if you have an alternate address for the person to whom wish to send an email to and try that address instead		*See if you have an alternate address for the person to whom wish to send an email to and try that address instead
	*Use an alternate email address ~~you have~~ to send your email to them, such as Gmail, Hotmail, or Yahoo		*Use your own alternate email address to send your email to them, such as Gmail, Hotmail, or Yahoo

	While most NCF members rely on NCF email, it is still handy to have an alternate email address to use. In normal circumstances you can just forward your Gmail, Hotmail or Yahoo mail to your NCF account and that keeps the alternate account available in case you ever need it.		While most NCF members rely on NCF email, it is still handy to have an alternate email address to use. In normal circumstances you can just forward your Gmail, Hotmail or Yahoo mail to your NCF account and that keeps the alternate account available in case you ever need it.

Fn352: /* Prevention */ updated link

2014-11-26T21:35:32Z

Prevention: updated link

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	* [http://www.avast.com/en-us/index Avast Free] - commercial freeware		* [http://www.avast.com/en-us/index Avast Free] - commercial freeware
	* [https://www.avira.com/en/avira-free-antivirus Avira Free Antivirus] - commercial freeware		* [https://www.avira.com/en/avira-free-antivirus Avira Free Antivirus] - commercial freeware
	* [http://free.avg.com/ca-en/~~download.prd~~-~~afh.line~~-~~2013~~ AVG Free] - commercial freeware		* [http://free.avg.com/ca-en/free-antivirus-download AVG Free] - commercial freeware

	If you suspect your computer is being used for spamming (check your sent mail) then disconnect it from the internet until it is cleaned.		If you suspect your computer is being used for spamming (check your sent mail) then disconnect it from the internet until it is cleaned.

Fn352: /* Prevention */ updated link

2014-11-26T21:34:02Z

Prevention: updated link

← Older revision		Revision as of 21:34, 26 November 2014
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	* [http://www.clamwin.com/ ClamWin] - free software		* [http://www.clamwin.com/ ClamWin] - free software
	* [http://www.avast.com/en-us/index Avast Free] - commercial freeware		* [http://www.avast.com/en-us/index Avast Free] - commercial freeware
	* [~~http~~://www.~~free-av~~.com/ Avira ~~AntiVir Personal Edition Classic~~] - commercial freeware		* [https://www.avira.com/en/avira-free-antivirus Avira Free Antivirus] - commercial freeware
	* [http://free.avg.com/ca-en/download.prd-afh.line-2013 AVG Free] - commercial freeware		* [http://free.avg.com/ca-en/download.prd-afh.line-2013 AVG Free] - commercial freeware

Fn352: /* What causes blacklisting of NCF mail */ link no longer works, removed sentence

2014-11-26T21:28:29Z

What causes blacklisting of NCF mail: link no longer works, removed sentence

← Older revision		Revision as of 21:28, 26 November 2014
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	In most cases blacklisting of NCF occurs because one or more NCF members running Microsoft Windows have had their computers infected with a virus that grabs their address book and sends out spam to all their contacts. Their computer may also be part of a [http://en.wikipedia.org/wiki/Botnet botnet] and under remote control to send out large quantities of spam.		In most cases blacklisting of NCF occurs because one or more NCF members running Microsoft Windows have had their computers infected with a virus that grabs their address book and sends out spam to all their contacts. Their computer may also be part of a [http://en.wikipedia.org/wiki/Botnet botnet] and under remote control to send out large quantities of spam.

	~~This [http://www.senderbase.org/home/detail_get_location map from Cisco] shows where the current threats are coming from.~~

	==What can you do if your email gets bounced==		==What can you do if your email gets bounced==

Fn352: /* See also */ Using Windows safely

2014-02-14T21:45:01Z

← Older revision		Revision as of 19:02, 8 April 2025
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	*[[Email]]		*[[Email]]
	*[[Email spoofing]]		*[[Email spoofing]]
			*[[Emails not delivered]]
	*[[Using Windows safely]]		*[[Using Windows safely]]
	*[[Zimbra]] - NCF's webmail client		*[[Zimbra]] - NCF's webmail client

← Older revision		Revision as of 18:09, 4 May 2016
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	==See also==		==See also==
	*[[Email]]		*[[Email]]
			*[[Email spoofing]]
	*[[Using Windows safely]]		*[[Using Windows safely]]
	*[[Zimbra]] - NCF's webmail client		*[[Zimbra]] - NCF's webmail client

← Older revision		Revision as of 21:45, 14 February 2014
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	==See also==		==See also==
	*[[Email]]		*[[Email]]
			*[[Using Windows safely]]
	*[[Zimbra]] - NCF's webmail client		*[[Zimbra]] - NCF's webmail client

Email blacklisting - Revision history

Ga627: /* See also */

Fn352: /* Reporting */ comma added

Fx479: /* Prevention */

Fn352: /* See also */ *Email spoofing

Fn352: /* What causes blacklisting of NCF mail */ https

Fn352: /* What can you do if your email gets bounced */ clarify

Fn352: /* Prevention */ updated link

Fn352: /* Prevention */ updated link

Fn352: /* What causes blacklisting of NCF mail */ link no longer works, removed sentence

Fn352: /* See also */ Using Windows safely

Fn352: /* See also / Email spoofing