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Error 503 Service Unavailable – Varnish cache server

Posted: April 17, 2014 at 1:37 am

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Jaco

    April 17, 2014 at 1:37 am

    Hi Support,

    We’ve been having Varnish cache issues when emailing event attendees for the past few events over the past month or so. Searching the forums i did not find much info, so i first contacted my Host (Dreamhost). They responded saying that it appears to be a compaitibility issue between Event Espresso and Varnish Cache. See the message below that i sent with their response below:

    > Good day support,
    >
    > We’ve been having an issue when sending out emails with the Event Espresso
    > plugin.
    >
    > When eveer we send out a bulk email message of more than 20-30 emails we get
    > the following error message:
    >
    > “Error 503 Service Unavailable
    >
    > Service Unavailable
    >
    > Guru Meditation:
    >
    > XID: 1046952116
    >
    > Varnish cache server”
    >
    > I’ve checked the Event Espresso site and this is not a common issue on their
    > side. From my quick research it appears to be something that i’m hoping you
    > can assist with.
    >
    > Please advise
    >

    >>Hey Jaco!

    >>It seems like there be an issue with compatibility. You will want to
    >>contact the plugin developer for Event Espresso to see if they know of
    >>any compatibility issues with Varnish. We tried looking on their site but
    >>it wasn’t loading.

    >>If they can give you some information regarding why it’s not working,
    >>that could be helpful.

    >>I look forward to hearing back from you!

    >>Thanks,
    >>Brandon W, Dreamhost


    Lorenzo Orlando Caum

    • Support Staff

    April 17, 2014 at 11:52 am

    Hi Jaco,

    Please try the Mandrill service:

    http://staging.eventespresso.com/wiki/postmark-app-mandrill-transactional-email-handling-services/

    It will take over sending emails from wp_mail.

    Let me know if this helps.


    Lorenzo

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