yandex

  1. Bozuyla

    Yandex mail problem

    Hi guys I have used a Yandex mail account in my project to send mail. I have taken an error for 10 days. The error message is "554 Error: send AUTH command first. 17082980431EZcQL1n9Gk0TJtvpGYN". Why do I take this message although I didn't make any changes in my code? Thanks...
    • Bozuyla
    • Thread
    • csharp mail yandex
    • Replies: 3
    • Forum: Other
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