29 Mar 2024 
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Domain Admin Guides and Tips (8) Intended for users (1)
Periodic user reportsRestrict delivery to valid email users with Local Recipients featureEnabling users to access web interfaceHow to whitelist or blacklist a domain or email in SpamWeeder PremiumSpecial configurations for cPanelHow to create an SMTP Connector in Exchange 2003more topics How to report spam in the SpamWeeder Premium web interfacemore topics
Intended for Resellers (0)
 Articles
 Will there be any delay in message delivery if all emails would go through your server first?
 We recommend delivering emails through our Email Defense Solution, which is our MX Backup (aka Mail Bagging, MX Fail Over) services along with either of our anti-spam/virus (Postini OR SpamWeeder) solutions. When your primary mail server is available, your emails should only route through our servers first if you use our Postini OR SpamWeeder solutions for continuous filtering.  These solutions will not cause a delay in message delivery.  Otherwise, we do not recommend using the failover server backup MX record as your highest priority.
 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.
 How do I view an email header ?
 It depends on your email client. Here is a  comprehensive list of email client programs and methods to see the email headers.  We have posted the steps for Outlook 2007 and Outlook Express below for your convenience.[A]Microsoft Outlook 2007 users:Open the email message.Under the Message tab, in the Options group, click on the Dialog Box Launcher icon.In the Message Options dialog box, the headers appear in the Internet headers box.[B]Outlook Express users:Double click on the spam message
 Bounce spam protection (DSNs/NDRs)
 "Bounce spam" can be an annoying problem. The email SMTP protocol is a very simple protocol that was defined in 1982. Spam was not yet a problem and to keep things as simple as possible, no security measures were implemented in the protocol itself. The result of this is that there is no verification whatsoever that the "From:" address in an email message actually belongs to the sender. To try and avoid spamfilters, spammers will typically use random email addresses as fake senders. This way they can avoid any simple spamfilter that blacklists based on the sender email address. It is important however that the email address they use as a sender does exist, since spamfilters can apply a "sender verification check" to ensure that the sending address itself exists.SpamExperts applies advanced m
 Describe why a message was rejected or temporarily rejected
  In our web-interface, we use different classifications to describe why a message was rejected or temporarily rejected. Temporarily Rejected (4xx SMTP response) TEMPORARILY REJECTED Messages which have been temporarily rejected, stay stored on the sending mail server. Legitimate mailservers always automatically retry delivery of such messages. Depending on the reason of the temporary reject, the message could get accepted at a subsequent delivery attempt. It's always possible to whitelist the sender to disable any checks and to ensure that the message will get accepted as soon as it's retried by the sending server. Greylisted Temporary rejection due to greylisting.
 SpamWeeder Premium System Message Queueing/ Spooling
 Generally emails are directly delivered to the destination server and not stored locally on the filtering machines. However if the destination server is unavailable, all email sent to known destination recipients are queued locally on the filtering servers for delivery. Emails which have been permanently rejected by the destination server with a 5xx error code, will NOT be queued and are rejected by the systems. We have a list available with SMTP Error Codes available in our knowledge base. Queue Access You can access the email queue from the webinterface, from which you can also manually force-retry delivery of a queued message. Automatic Retry Schedule Messages queued because of temporary problems with the destination route (for example network problems) are automatically retried for delivery at the following approximate
 How do I report spam that gets to my inbox?
 If you are still receiving spam, submitting the emails to the central training system will first of all help to reduce the spam you're seeing, and it will allow us to retrieve detailed information on what may be causing your problems. Emails that did not pass our filtering systems, or that passed the filters because the sender/recipient was whitelisted are automatically excluded from the training systems.Methods to report spamSpampanel webinterfaceIn the Spampanel web interface we have a "Report Spam" button. You can upload a spam message on the page to train the spamfilter. It is a 'drag 'n' drop' style feature, meaning you can save the SPAM email to your system, then drag and drop the email into the "Report Spam" area. Note that only emails are accepted that have been processed by the cluster you're reporting to. Currently only the .eml format is supported.
 How to whitelist or blacklist a domain or email in SpamWeeder Premium
  Log in as the domain admin and under Domains Overview select the domain to modify.Scroll down to the section titled Incoming Protection SettingsIf you wish to whitelist or blacklist certain incoming messages (the most common scenario), select Sender Whitelist or Sender Blacklist. If you have outbound filtering enabled and wish to bypass filtering for emails sent to certain recipient(s), select Recipient Whitelist or Recipient Blacklist.Select the blue text with the plus symbol that says something like "Add blacklist sender" or "Add whitelist recipient"In the Address field, type in the domain name or email address that you wish to whitelist or blacklist.Click Save.If you are unsure what to put in the Address box:
 Configuring SMTP Connector in Microsoft® Exchange 2007 and 2010
  Send Connectors allow Exchange Server to route all outbound email through another SMTP server. To configure a send connector:1. Open the Exchange Management Console and click Organization Configuration > Hub Transport > Send Connectors. 2. Right-click in the list in the center pane and select New Send Connector. 3. In the wizard,type a name for the connector (ie Outbound Mail to SpamWeeder Premium) and from the Select the intended use for this Send Connector drop-down list, select Custom. Click Next. 4. In the Address Space page, click Add and select SMTP Address Space. Enter * as the domain, cost=1, and check Include all subdomains5. Click OK, then click Next. 6. In the
 What are the SpamWeeder Premium IP ranges for my firewall or server settings?
  Web interface, telnet & LDAP sync IPs:95.211.160.147, 2001:1af8:4500:a034:101::2SpamWeeder Premium (delivery.antispamcloud.com) SMTP delivery IPs:If you're able to whitelist a delivery hostname, please whitelist delivery.antis
 How to create an SMTP Connector in Exchange 2003
 To create the SMTP Connector, follow the steps below:Open Exchange System Manager (ESM)If Administrative Groups is displayed, expand the Administrative Groups folder (Otherwise proceed to step 4)Expand First Administrative Group (or the relevant group if it has been renamed or if there are multiple groups)If Routing Groups is displayed, expand the Routing Groups folder (Otherwise proceed to step 6)Expand First Routing GroupRight click ConnectorsSelect New then SMTP Connector...
 How to configure O365 with SpamWeeder Premium
  Inbound filtering only:Using Office365 with SpamWeeder Premium for inbound filtering is simple.  Once the domain is added to the SpamWeeder Premium portal, we recommend that you then create a rule directly within Office365, to allow all traffic from the filtering service IP's before changing MX record to avoid any delivery issues. To set this, complete ONE of the following options: Set an  IP Based Transport rule, OR an X Header based transport rule.  IP based transport rule:In your Office 365 Environment, you can create a "Transport Rule" for your filtering service delivery IPs.  (**note** This is IP based and not hostname based.  Please use the IP ranges specified here:  SpamWeeder Premium IP Ranges).
 SpamWeeder Premium Upgrade Instructions for Mailbagging and/or Email Continuity Clients
  SpamWeeder Premium Upgrade Instructions for Mailbagging and/or Email Continuity Clients Complete the following by 4/30/21:Add the list of IP's found in this knowledgebase article to the allowed IPs in your firewall and/or mail server settings:What are the SpamWeeder Premium IP ranges for my firewall or server settings?REPLACE the existing mx1-mx4.mailshelter.com MX records within your domain(s)' DNS hosting to point to:mxc1.mailshelter.commxc2.mailshelter.commxc3.mailshelter.commxc4.mailshelter.comBe sure to keep the MX priorities the same. For example, if your current MX records are similar to:10 mail.yourdomain.co
 SpamWeeder Premium Upgrade Instructions for Email Hosting Clients
  SpamWeeder Premium Upgrade Instructions for Email Hosting Clients If your domain is registered through one of Webservio's registrars (ie Enom, Public Domain Registry, OpenSRS TuCows):Click to use our online DNS utility tool, DNSgoodies.com, to perform a Who Is - Domain/IP lookup.  Take note of your domain's nameservers.If your domain's nameservers point to:  ns1-ns2.lock-net.com:Create a ticket at https://support.webservio.net and we'll move your DNS to our updated platform at dns1-dns4.multihosts.com.  NS1-NS2.LOCK-NET.COM has been de-commissioned due to instability.  We'll also update your domain's MX records for you.If your domain's nameservers point to any of the following:
 SpamWeeder Premium Upgrade Instructions for Continuous Spam/Virus Filtering
  SpamWeeder Premium Upgrade Instructions for Email Security - Continuous Spam/Virus Filtering Update your primary mail server and/or firewall settings to accept messages from the new SpamWeeder Premium Cloud service.See the updated list of IP's in our knowledgebase article:  What are the SpamWeeder Premium IP Ranges for my Firewall and/or Server Settings?Update your domain's MX records.Login to your DNS hosting providerREPLACE the existing mx1-mx4.mailshelter.com MX records with:mxc1.mailshelter.commxc2.mailshelter.commxc3.mailshelter.commxc4.mailshelter.comBe sure to keep the MX priorities the same.For example, if your current MX records are similar to:10 mx1.mailshelter.com20 mx2.mailshel
 SpamWeeder Premium Upgrade - Outbound Filtering Settings & SPF Record
  1.  Configure SMTP SmartHost in your primary mail server to point to:  smtp.antispamcloud.com (port 587/465/25)SMTP Smarthost:  smtp.antispamcloud.com (port 587/465/25)See the following How-To articles based on your Exchange server type:Exchange 2003Exchange 2007 and 2010
 How to Create an SMTP Connector in Exchange 2013/2016
  How to Create SMTP Connector in Exchange 2013/2016Log into Exchange Administration Center:Navigate to Mail FlowSelect Send ConnectorsAdd a new connector (click the + sign)
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