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On OS X, what is pubsubagent and why does it connect so many places?

I'm kinda new to OS X, and I have a program called "PubSubAgent" that wants to connect to apple. What will be sent if I allow it? What dose the program do?

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marked as duplicate by slhck Sep 23 '12 at 13:27

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Apple Help: Mac OS X 10.5: About the PubSub Agent

The PubSub agent syncs the RSS read/unread status of bookmarked RSS feeds between computers using Mac OS X 10.5 that are syncing bookmarks via MobileMe Sync.

This also applies to newer versions of OS X.

I guess this would also apply to the default RSS feeds that are configured in Apple Mail (in addition to those from Safari). Delete them if you like. There's nothing to worry about though.

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Thanks, How can I delete them? –  Martin Jun 16 '12 at 16:14
    
See my update, simply remove them from Mail.app or Safari. –  slhck Jun 16 '12 at 16:29
    
I have some more stuff like that. Should I open a question for every one? or one new question with all? –  Martin Jun 16 '12 at 16:48
    
I wouldn't open a single question about each one. Please do some research before though. Most Apple services are explained fairly well on various sites on the web. –  slhck Jun 16 '12 at 16:56
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User slhck already answered what the PubSub Agent does. Another option to unsubscribe selectively from certain feeds is using the command line (Terminal). To find out which feeds the PubSub Agent has subscribed to:

pubsub list feeds

To unsubscribe from a feed:

pubsub unsubscribe 'http://rss.cnn.com/rss/si_topstories.rss'
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