Alessandro Vesely writes:
On 17/Jan/12 00:33, Matus UHLAR - fantomas wrote: > On 16.01.12 19:28, Jean-Christophe Boggio wrote: >>Why ? The FROM field is just informational (is it even mandatory ?)FWIW, according to Section 3.6 of RFC 5322, From: is one of the two fields whose minimum number of occurrences is non-zero (the other one is Date:). > the mail from: is mandatory in SMTP :) > and according to at least rfc 5321, the local part must not be empty.
Actually the question here is a SMTP return address of the form "@domain", without the local part.
Just dug through the code, and it turns out that '@' at the beginning of the email address is accepted in order to accomodate an obscure legacy pre-RFC 822 address format that, in 2012, nobody is going to use anyway, so I'm dropping it.
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