Home Forums Newsletter Plugin Support SMTP -> ERROR: Failed to connect to server: ()

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  • #9847
    Anonymous
    Inactive

    I’m getting this “SMTP -> ERROR: Failed to connect to server: ()” after the upgrade to Newsletter 3.4.7. I’m on WordPress 3.7.1.

    In the Diagnostic panel, I can send the test email with WordPress, but sending the test email with Newsletter fails.

    I’ve tried all the combinations between Sender name, Return path and Reply to, with no success.

    ———

    System parameters

    Parameter Value
    Database Wait Timeout 28800 (seconds)
    PHP Execution Time 120 (seconds)
    NEWSLETTER_MAX_EXECUTION_TIME Not set
    NEWSLETTER_CRON_INTERVAL 300seconds
    PHP Memory Limit 256M
    WordPress Memory limit 64M
    WP_DEBUG false
    Absolute path […]
    Tables Prefix wp_
    Database Charset and Collate utf8
    Hook “phpmailer_init” Obsolete. No actions attached
    File permissions OK

    ———-

    Semaphores

    Name Active since
    Newsletter delivery Not set

    ———-

    Crons

    Function Status
    WordPress Cron System ENABLED. (it’s ok)
    WordPress schedules jetpack_weekly – 604800 s
    newsletter – 300 s
    newsletter_weekly – 604800 s
    hourly – 3600 s
    twicedaily – 43200 s
    daily – 86400 s
    Delivery Engine Runs in 0 days, 0 hours, 2 minutes, 55 seconds

    Thanks in advance for your help.

    #9851
    Stefano
    Keymaster

    Hi, is not a problem of Newsletter but your provider might have closed the connection to that SMTP server. Ask them about this issue. Or the SMTP might have closed the connection coming for your web server.

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