I found the (RFC) solution. According to RFC2821 section 3.6 CNAMES are allowed like we discussed. But later in RFC 2821 is states what should happen when a CNAME is found (section 5). It states: "The lookup first attempts to locate an MX record associated with the name. If CNAME record is found instead, the resulting name is processed as if it were the initial name." So sendmail should rewrite the domain to the resulting or canonical name. _______________________________________________ NOTE: If there is a disclaimer or other legal boilerplate in the above message, it is NULL AND VOID. You may ignore it.
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