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It depends on configuration. I doubt very many SMTP servers are case sensitive in this day and age. This is not the case on my Postfix servers. Sendmail was als
by icedchai 6y ago
It depends on configuration. I doubt very many SMTP servers are case sensitive in this day and age. This is not the case on my Postfix servers. Sendmail was also case insensitive in its default configuration (though it has been many years.)