Outlook’s Blocked Senders puts the sender’s address or domain on a list and messages will always be moved to the Junk Email folder. Users expect that Blocked Senders are blocked from the mailbox, not moved to Junk Email. One reason the messages are not blocked is in the event you accidently add a 'good' address or domain to the blocked list. If the mail is dropped, you won't be able to recover it. If it's moved to the Junk Email folder, you might find it. Creating rules to delete the mail won't work either.
The rules run on mail in the Inbox after the Junk email filter has removed all the spam. The messages the rules are supposed to delete are moved before the rule runs. If the junk mail filter is moving the messages to the Junk Email folder, there is no need to block the sender. Most spammers use an address for a short period then move on to another address and you end up blocking an address that will never send you mail again. There is a limit of 1000 names for the Safe and Blocked list combined and you don’t want to fill it up with addresses that are never used again. Blocked senders are treated as Junk Email and the messages will be handled the same way as mail filtered by the Junk Mail filter.
It's either placed in the Junk Mail folder or deleted, per your Junk mail options. For this reason, and the reasons listed below, it is highly recommended that you add names to the Safe lists (to avoid false positives) and let the Junk Mail filter take care of the junk.
Export and import blocked senders list. Make a way to export and import the blocked senders list. An intelligent agent would also be of value which identified multiple emails from a single domain and asked if you would like to block that entire domain. I am running the latest version of Outlook for Mac (Ver.
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The blocked list should be short. My own blocked list has 2 addresses on it. One is a person who forwards a lot of junk and the other is a newsletter I can't get unsubscribed from. I don't add people I send mail to, to my Safe Senders list because I reply to a lot of people just once or twice and my list would fill up fast, but it is recommended for most users. If you choose to trust mail from addresses in your Contacts and you created a contact for yourself, all mail sent to you will be trusted.
How many addresses can the safe and blocked lists hold? Approximately 1000 total. This is because the total size of all lists combined cannot exceed 510KB. Once the 510KB limit is reached, Outlook alerts you and additional addresses aren't saved until you remove some from the list. For example, if you have 800 addresses on the safe list, you can only block approximately 200 addresses. If the addresses are long, your list will hold fewer addresses; if they're short, you'll be able to have more.
Microsoft imposed the limit to improve performance, as the lists are stored as a hidden property in the Inbox and duplicated to the local registry. Each time the users synchronize with the Exchange mailbox store, the lists are downloaded. The limit can be adjusted on Exchange Server 2007 or 2010, by adding a new registry key value to the following registry key. This option is not supported on Exchange server 2013 and newer, including Office 365.
HKEYLOCALMACHINE System CurrentControlSet Services MSExchangeIS ParametersSystem DWORD: Type Max Extended Rule Size Value Data: maximum size (in bytes) that you want to allow Importing a list of blocked addresses from an older version of Outlook is not recommended, in part because these lists often are larger than 512K and Outlook crashes when trying to import them, but also because spammers change addresses so often that lists are outdated within a few months. If Outlook's Junk email filter doesn't offer enough options, misses too much spam, or you need better Safe and Blocked lists, try one of the many excellent third party anti-spam filters available.
For a list of third party tools, visit Outlook needs to use cached mode with Exchange server mailboxes to filter junk email on the client side. In classic online mode, any junk mail that is filtered is done so by the Exchange server's filter. For Exchange server junk mail filtering tools, visit Customize the filter? Is there a way to add a group of selected junk e-mail from the inbox to the blocked senders list all at one time instead of one junk e-mail at a time? The short answer is simply No. The long answer is that while it seems like a really stupid move by Microsoft not to include this functionality, or the often requested ability to train the filter, they have an excellent reason for not including these options.
Microsoft believes that users should not have to touch the filters period. Any antispam solution should be automatic and good enough to catch most spam, because as we've learned over the years with antivirus software and Windows updates, users aren't very good at keeping their programs updated. It also takes time to tinker with antispam settings and filters, time better spent doing anything but configuring the filters.
If the filter is designed right, only a few addresses will need to be added to any of the lists - such as addresses belonging to people you don't want to correspond with or whose messages are mistakenly classified as spam. In fact, adding every address that is used the send spam to the list will result in a long list of names, many of which will never send you another message. In addition, you are limited to approximately 2000 names on all of the lists combined and would need to spend a lot of time culling the list. (See Outlook 2003's Safe and Blocked Senders Lists for more information on the size of the lists.). Your goal should be to have a Safe senders list longer than your Blocked senders list. If you need to spend minutes each day (or following each mail pass) adding addresses to your Blocked list, then your Junk Email settings are too low, you don't have the latest filter update, or you need a better spam filter than the one provided with Outlook. Businesses should filter out the spam on the email server, removing spam long before the messages are downloaded to their users desktop.
How long are my lists? My Safe Senders and Safe Recipients lists contain 24 addresses and domains, while the blocked senders list contains just two addresses. Delete addresses from the Blocked list If you receive an error that your list is full or you just want to clean up the list, open the Junk Email Options dialog and delete names from the lists. In Outlook 2010 and 2013, open it from the Home tab, Junk button, Junk Email Options. When you use an Outlook.com account, you need to log into the account online and remove the names from the blocked list (or verify they were removed when you removed them in Outlook.). Hi Diane, I am using outlook.com and implementing your very good recommendations but I have questions. I have noticed emails from the same companies but in a slightly different format.
For example, mostly I receive emails from, I have noticed that more and more companies are using. Also, in outlook client, the safe senders address format is @company.co.uk but in outlook.com the @ sign is removed, so company.co.uk is the entry to use.
My questions are will a company.co.uk entry in the safe senders list apply to addresses like mail.company.co.uk and similarly will @company.co.uk work for @mail.company.co.uk. I guess I am asking what is the minimum I can use to apply to all versions of the same email address? Is there an underlying rule I should know about. If you choose to trust mail from addresses in your Contacts and you created a contact for yourself, all mail sent to you will be trusted. Generally speaking, No, replying to email won't automatically solve the problem.
It can help some, but many clients and filters do not automatically whitelist addresses you send messages to. Two things that might help - don't use hyperlinks and don't put phone numbers in your signature. For some reason, some junk filters see phone numbers and mark it junk or even reject the message. Using a format that does not look like a phone number to a machine - I can't remember all the formats I tested when i discovered a number was blocked, but the typical (202) 555-1212, 202-555-1212, and 202.555.1212 formats were blocked.
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