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Re: zmailer too restrictive
On Wed, 15 Oct 1997, Erik E. Fair wrote:
> The catch-22 is that in order to identify the local-part (the thing
> it's not supposed to mess with when the domain is not the local
> host), zmailer has to parse the From: line, as specified in the
> BNF on Appendix D of RFC822, as modified by RFC1123.
No, to identify the local-part Zmailer has to parse the SMTP "mail
from", and "rcpt to" commands. This happens long before the headers are
At this point, Zmailer is rejecting things like "mail
from:<email@example.com", even though "-" is not a "special" and should be
treated as a regular character. See BNF in RFC 821. This all happens
before the headers are transmitted.