Archive | Open Source

1/3 – Zimbra Open Core Series – Amavis Policy Banks to Set Up a VIP Mailbox

Hello Zimbra Friends, We are happy to bring you part 1 of a 3-part series on Zimbra’s open-source components, a series brought to you by Barry de Graaff, Channel Evangelist at Synacor. The series covers: Amavis Policy Banks to set up an email address for a VIP cbpolicyd to set-up rate limiting on outgoing email […]

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Zimbra Single Sign-On using SAML

Dear Zimbra Friends & Colleagues, Today’s post is from Barry de Graaff, Channel Evangelist at Synacor. He may be a relatively new addition to the Synacor global team, but he has been a vital part of the Zimbra ecosystem for over a decade! Barry is an expert in Zimlet development and third-party product integrations. He […]

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Fave 5 Zimbra Blogs of 2018 + pics of YOU + so much more!

Celebrating Zimbra highlights from 2018! Did you already read these? Already see these pics? Were you THERE in person?! What a year it was … and the future’s so bright! Top 5 Blog Posts Are you subscribed to the Zimbra blog? Check it out! Whether you are a Zimbra Admin, a Zimbra user or anything […]

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Zimbra’s Wiki – now 17x Faster!

Greetings, Friends. Over the last few months we received reports that our Tech Center was suffering from occasional timeouts or long waiting periods. Not good! We know that our tech articles are critical for your Zimbra deployments and/or configurations, so I have good news for you today. But first, a little background: For those new […]

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How to Reduce Incoming SPAM and MTA Overload using Postscreen

Zimbra Postscreen, availabile starting with Zimbra Collaboration 8.7, provides additional protection against mail server overload. One postscreen process handles multiple inbound SMTP connections and decides which clients may talk to a Post-fix SMTP server process. By keeping spambots away, postscreen leaves more SMTP server processes available for legitimate clients and delays the onset of server overload […]

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