503 5.5.2

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    B4J Question SMTP error: 503 5.5.2 Need mail command.

    Hi. We are using SMTP to send a mail from an SMTP server which isn’t public. We do have access to this SMTP through some firewall rules. I’ve a simple test application written in c# that successfully sends an email through the described configuration. The code in c# is almost identical to the...
    • amykonio
    • Thread
    • 503 5.5.2 503 5.5.2 need mail command. mail command need mail command. smtp
    • Replies: 6
    • Forum: B4J Questions
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