If, when sending an email, the server returns the error message "503 valid RCPT command must precede DATA", we recommend that you check the email client's settings. In particular, you must make sure that "SMTP authentication" is checked in the email client.
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When you try to send emails from Outlook, you receive the following message: An unknown error...
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"Error 0x800ccc0d or 0x800ccc0f" when sending or receiving emails
When trying to send/receive emails you receive one of the following messages: The server could...
"Message Could Not Be Retrieved" or "Server Error: 0x800CCC90, Error Number: 0x800420CD"
This problem originates from the inability of Outlook to download a particular email from the...
"too many attachments" when sending an email
In the shared hosting environment, the maximum number of attachments that can be sent in an email...
