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Question: SMTP error 553
Our ISP is touchtell and we are using VSNL mails. Some mails
are not gone to destinations. help us.
Message from:< a@b.com > to:<c@d.com > Direct
delivery fail! 553 Mail from
61.*.*.* not allowed , deferred - see Also see
Answer:
The error 553 means: Requested Not Action: mailbox Not name
This response is issued by the server if the format of an
SMTP address specified in an RCPT command is invalid or incorrectly
formatted.
Lynn
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