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Knowledgebase Categories |
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| The knowledgebase is organized into different categories; please select a category that you are interested in. You can also search the entire knowledgebase by entering keywords in the navigation bar beside this text. |
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 | How do I remove a domain from Postini? | |
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To remove a domain from the Postini anti-spam and virus filtering system, you must:Login to the system as an administratorDelete all users and aliases associated with the domainSelect "Domains" from top blue nav barCheck Include aliases and sub-orgs boxesClick "Delete Domain" next to the appropriate domain name
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| How do I remove a domain from Postini? | |
| To remove a domain from the Postini anti-spam and virus filtering system, you must:Login to the system as an administratorDelete all users and aliases associated with the domainSelect "Domains" from top blue nav barCheck Include aliases and sub-orgs boxesClick "Delete Domain" next to the appropriate domain name |
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| What Service Level Agreement does Postini Offer? | |
| Postini has a 99.999% uptime guaranteed for their anti-spam service. This is because of the multiple redundancy provided through four different facilities, two West Coast and two East Coast, insuring that a natural disaster in either area will not interfere with the system. |
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| Our Business has 100 email accounts but we only need 25 of those accounts to be protected from spam. Is that possible? | |
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Definitely. After signing up with Webservio, you will provide us with your administrative user. Your admin will take charge of the email addresses that need to be included in the anti-spam coverage. All messages sent to the unprotected email accounts will not be affected by the Postini service. You may increase your number of users at any time by contacting sales@webservio.com.
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| Are there any instructions available to me for operating the user and administrator Postini accounts? | |
| We have a quicksheet of instructions to familiarize the users and admins with the functions of their Web-based accounts.Click Here to view an online guide for AdministratorsClick Here to view an online guide for End-Users |
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| If one of my email users is not created in my Postini account, will that address continue to receive mail or will it be blocked? | |
| You can manage a setting called Non-Account Bouncing which, if turned on, will bounce back all messages sent to addresses not listed in your SpamWeeer account. Since messages sent to non-users will be blocked by the system, Non-Account Bouncing will relieve the load on your mail server produced by non-user spam attacks. On the reverse side of this, by turning this option off email will get through to your users who are not listed in your spam prevention account. |
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| What are HTML viruses? | |
| Also known as active content attacks or browser attacks, HTML attacks are aimed at those who use web browsers or HTML-enabled email clients to read their mail. Such attacks tend to use the scripting features of HTML, or of the email client, to illicitly execute code on the PC, or to acquire private information from the recipient's computer. These viruses do not require user intervention in order to be activated. |
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| How will users know when they have email in their message quarantine? | |
| The domain administrator can select how often users receive email notifications of activity in their mail queue. This notification option may be set anywhere from one to 10 days. |
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| Must I set up the Postini users for my domain myself? | |
| No. Although you, as the system administrator, do have the access to add new users to your account, you can have us do it for you upon initial setup. All we need is for you to send an excel sheet of all the addresses that will be protected with the Postini solution. The users must be formatted as user@domain.com. The other alternative is to enable the smart create option which will progressively recognize legitimate users and categorize them as such. Additional fees for user creation by Webservio Support team will be charged. |
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| What are the Postini IP ranges for my firewall settings? | |
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Postini IPs:IP Range: 64.18.0.0 - 64.18.15.255CIDR Range: 64.18.0.0/20IP/Subnet Mask Pair: 64.18.0.0 mask 255.255.240.0
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| Do I have control over user quarantines as a System Administrator? | |
| Yes. You may view and/or search any user's quarantine. While viewing the user's quarantine, you may:Deliver selected quarantined messages to the original recipientDeliver selected quarantined messages to the administratorDelete selected quarantined messagesTo view a user's quarantine:Login to the Postini system as System AdministratorSelect "Users" from the Orgs and Users tabClick the user whose quarantine you wish to viewFrom the User Overview page, click "View Quarantine" from the Summary box located on the right of the screen.
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| How do I adjust incoming null sender dispositions? | |
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You may adjust the Null Sender disposition filter within Postini at any time by:1. Login as a system administrator2. Select the organization which contains your users3. Select Spam Filtering from the Inbound Services area4. Set the Null Sender Disposition filter settings as desired.
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| How do I adjust Postini spam filter sensitivity? | |
| You may adjust spam filtering overall sensitivity and spam category
sensitivity for an individual user by completing the following steps:Individual Users:Login to the Postini portal as a System AdministratorClick the Orgs and Users tabClick "List Users" next to the sub-org containing your usersClick on the user whose filtering settings you wish to adjustSelect "Spam Filtering" under Inbound ServicesAdjust the Bulk Email and spam category settings as desired |
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| Is it possile to add multiple email addresses to the approved senders' list without typing each one in separately? | |
| Yes, multiple users may be added to the approved sender list for a
specific user OR organizational-wide by using batch commands. We
can complete the batch command for you OR you can login to the Postini
system as a system admin, select "Batch" and then select "Help" to view
batch reference guides, summaries, and examples. If you would like for
us to complete the task for you, please create a ticket at: http://support.webservio.net
and provide a list of the approved senders and let us know if it should
be applied organizational-wide or just to specific users. Our
engineering time to complete the task will be billable.
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| We have had a few e-mails that were valid quarantined and we wanted to forward these to some other users. Not as a default just at intermittent times. Can this be done? | |
| Yes, "false-positives" can be sent to the Postini Administrator and then forwarded to other users. You
may login to the Postini portal as a System Admin and select the user
who has received the "false positive." Scroll down and select
"Quarantine" under Settings. This will show you the administrative view
of that user's quarantine. You may select the false-positive quarantined
message, then select "Deliver to administrator." Click "Process," and
the message will be delivered to the inbox of the admin that is logged
in. Once the message is received by the administrator, he/she can
forward it to multiple users as needed.
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| What should my MX records look like after updating them to point to Postini? | |
| In order for all external emails to pass through Postini's anti-spam/virus filtering system, your MX records must look like: INMX100yourdomain.com.s7a1.psmtp.com. INMX200yourdomain.com.s7a2.psmtp.com. |
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| How do I delete a user from the Postini portal? | |
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When you remove an email user from your email configurations, please remember to remove the user from the Postini portal as well by following these steps so you are no longer accounted for this user*:
Deleting a user permanently deletes its Quarantine and all messages in it. Before deleting a user, you might want to review their Quarantine and deliver any potentially legitimate messages to the user’s Inbox.
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On the Add, Delete, and Move Users page, enter one or more user addresses to delete. Separate multiple addresses with a |
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| Resetting and changing passwords in Postini | |
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Using the temporary password you can change your password once logged in. For the old password field use the temporary generated password by Postini's system.
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| Why am I not receiving certain emails from users with whom I had no problems receiving emails before? | |
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Both the Postini and SpamWeeder systems are designed to check,
amongst other things, certain keywords. Hence, if you are not receiving
an email from a particular user, the best recommendation is to add the
sender's domain name in the "Whitelist" or Approved Senders list in your
Message Center or User Parameters to ensure you receive all emails from
the user.
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| How do I deliver valid quarantined messages to my inbox? | |
| To deliver "false positives" to your inbox:Login to your quarantine at: http://portal3.mxshelter.comSelect the "Junk" tab if it isn't automatically selected for you.Click the Subject Line of any message to safely view its contentsIf you believe the message is valid, click the corresponding Deliver buton
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| I can not reach http://portal3.mxshelter.com. What should I do? | |
| If you are unable to reach http://portal3.mxshelter.com, you may use the direct Postini URL: https://login.postini.com/exec/login
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| Options for protecting distribution lists within Postini | |
| Protect Your Mailing and Distribution Lists
You can protect mailing and distribution lists from spam and viruses. These lists are addresses that deliver a message from outside your network to a group of people in your domain, such as partners@your_domain.com, or noon_cyclers@your_domain.com.
Often, when users complain about spam passing through, they are
receiving the spam through their membership in a mailing list.
To protect a mailing list from spam and viruses, alias the mailing list to an existing or new user account.
Do not add the mailing list as a user account. Under these circumstances,
the mailing list is treated as a user, and all members of the mailing
list, including those outside of your organizat |
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| How can I test email flow with Postini? | |
| Login to the Postini portal as a system administratorClick "Orgs and Users" tabClick on the sub-org that contains your users (ie Customer domainname.com)Scroll down to "Organization Settings"Click "System Tests"Select SMTP Message TestsEnter a valid email address for your domain in the email address fieldSelect which delivery testing option you desireClick Test
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| How can I view the Postini log files for my domain? | |
| Run a Log Search From the Log Search tab in the Administration Console, you can run queries based on the following criteria. Many log searches include the date range, sender, and/or recipient only; but you can also narrow your search by specifying inbound or outbound traffic, as well as the message disposition and other criteria: Date range: This range corresponds to the time zone for the organization in which you’re running the search. Select a date range that matches the date and time the message was sent. You can use a date range such as Today, Yesterday, Last 7 days, or Last 30 Days. The time zone for an organization is displayed adjacent to the search fields -- for example, America/New_York. This format specifies a country or world region, followed by a specific location within that region. |
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| What are the approved/blocked sender list limits within Postini? | |
| The maximum number of characters for each
approved/blocked list in the Administration Console is 4000. If each
address or domain is 30 to 40 characters, each sender list can include
approximately 100 to 130 addresses and domains.
The maximum number of characters for all lists for each user in the Message Center is 1000.
For each address, add an additional 2 characters to get an accurate count.
If you run out of space and attempt to add another address, you receive an error similar to this:
List length limit (4000) exceeded
To free up more space, delete addresses that are no longer used.
You may consider a |
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| How to set up SPF records for Postini Enterprise Filtering | |
| Add the following SPF record to the DNS for your domain(s):domain.com. IN TXT "v=spf1 ip4:64.18.0.0/20 include:spf.postini.com ~all"Create a support ticket to notify the Webservio engineering team that you would like to enable SPF checks for your domain. It must be enabled within the Postini system. In addition, please specify your selections from the following options:FailThe strongest SPF failure response, this indicates that the domain owner believes the message to be unauthorized.Disposition Options: Ignore, Reject, Quarantine, Disable Approved Sender ListSoftFailThe domain owner believes the message is unauthorized, but is not completely sure and does not want messages rejected on this basis alone.Disposition Options: Ignore, Reject, Quarantine, Disable Approved Sender List |
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