I wanted to configure email alerts from our Brightmail gateway (formally Symantec 8300 series appliance) so that we would be notified when message queues were over certain thresholds. This is a missing feature on the appliance, so as a workaround I've done it using Cacti instead. We already monitor CPU and memory usage of the [...]
All articles in category: "Messaging"
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Configure alerting for a Symantec Brightmail appliance
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Exchange mailbox store restores
This week I've had to refresh my memory with something I've not done in a long time. I had to recover a mailbox store for an urgent mailbox restore, but in this case the server that was the home of the mailbox at the date they wanted had been decommissioned long ago. This presents a [...]
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Things that MIMESweeper can’t do
Question: What happens when a user sends a 1Mb e-mail to 2000 external recipients, and also requests delivery receipts? Answer: MailSweeper delivery service will die and mail will start to queue on your server. Messages will build up in the 'domains' folders and in 'holding' as your the policy server becomes unable to deliver any [...]
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Security Service fails on MailSweeper 5.2
Any time you make a MIMESweeper policy change, the MSW services on the Policy Servers (PS) will stop and start. Sometimes, when saving changes to the policy you may find the security service on a PS goes into 'Stopping' and gets stuck there. And unless you babysit your MailSweeper system or permanently have a copy [...]
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Use SpamAssassin with MailSweeper for SMTP
"Tooms" - a longstanding member of the Clearswift MimeSweeper forums, has published a comprehensive guide for integrating SpamAssassin with MimeSweeper for SMTP (version 5 upwards). This gives you such benefits as: Plugins such as DCC, Pyzor, Razor, Fuzzy OCR Award winning anti-spam engine Well documented, many forums for support Open Source (and free) I would [...]
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Choosing a certificate for OMA ActiveSync
ActiveSync certificate problems are well known to the Windows Mobile community. If you have certificate problems on Windows mobile 2003, you could disable certificate checking using disablecertchk.exe, but this does not work on WM5 and you have to export the certificate and install it on the device to get around the 0x80072F0D problem: If you [...]
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How to migrate messages between 2 mailboxes
ExMerge is probably one of the exchange administrators most used tools, but is a pain to use if you are working with large mailboxes, as it uses Outlook 2000 PST files which corrupt when they reach 2Gb. ExMerge also does not work with Outlook 2003 PST's ... I'm sure (and really hope ) this will [...]
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Using MIMESweeper and LDAP address lists to only allow valid recipients
MIMESweeper for SMTP (5.2) can be configured to only accept a message at your mail gateway if the e-mail address exists in your organisation. This is done by creating an LDAP address list and ensuring all mail enabled objects in your Active Directory are added to the list. Then in your MIMESweeper policy, you can [...]
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