Validate Sender
From ASSPSMTP
- Regular Expression to Validate Format of HELO (validFormatHeloRe)
- HELOs matching the regex tests specified are considered valid.
- Regular Expression to Invalidate Format of HELO (invalidFormatHeloRe)
- HELOs matching the regex tests, even if they are considered valid by "Regular Expression to Validate Format of HELO", will be considered invalid.
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