Dave Platt writes:
- Setting RELAYCLIENT to a nonempty string in smtpaccess, and setting AUTHRELAYCLIENT to a nonempty string in the esmtpd config file, doesn't work either, due to a side effect I had not expected. It appears that couriersmtpd.c automatically appends the contents of RELAYCLIENT to each recipient address for some reason, even if the address consists of a complete "[EMAIL PROTECTED]". I can't figure out why it's doing this (it's undocumented?) except possibly for compatibility with qmail (which is documented to behave this way, but I can't really figure out why *it* did so!).
Right. Legacy compatibility with qmail.
And, does anybody actually use that feature which causes RELAYCLIENT to be appended to every recipient address?
Probably not. Inertia.
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