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41 lines
1.8 KiB
41 lines
1.8 KiB
# A domain-specific form of aliasing, allowing multiple virtual domains to be |
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# hosted on one machine. |
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# |
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# info@foo.com foo-info |
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# info@bar.com bar-info |
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# joe@bar.com error:nouser 550 No such user here |
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# jax@bar.com error:5.7.0:550 Address invalid |
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# @baz.org jane@example.net |
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# |
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# then mail addressed to info@foo.com will be sent to the address foo-info, |
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# mail addressed to info@bar.com will be delivered to bar-info, and mail |
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# addressed to anyone at baz.org will be sent to jane@example.net, mail to |
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# joe@bar.com will be rejected with the specified error message, and mail to |
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# jax@bar.com will also have a RFC 1893 compliant error code 5.7.0. |
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# |
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# The username from the original address is passed as %1 allowing: |
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# |
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# @foo.org %1@example.com |
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# |
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# Additionally, if the local part consists of "user+detail" then "detail" is |
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# passed as %2 and "+detail" is passed as %3 when a match against user+* is |
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# attempted, so entries like |
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# |
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# old+*@foo.org new+%2@example.com |
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# gen+*@foo.org %2@example.com |
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# +*@foo.org %1%3@example.com |
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# X++@foo.org Z%3@example.com |
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# @bar.org %1%3 |
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# |
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# Note: to preserve "+detail" for a default case (@domain) %1%3 must be used |
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# as RHS. There are two wildcards after "+": "+" matches only a non-empty |
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# detail, "*" matches also empty details, e.g., user+@foo.org matches# |
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# +*@foo.org but not ++@foo.org. This can be used to ensure that the |
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# parameters %2 and %3 are not empty. |
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# |
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# All the host names on the left hand side (foo.com, bar.com, and baz.org) |
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# must be in class {w} or class {VirtHost}. The latter can be defined by the |
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# macros VIRTUSER_DOMAIN or VIRTUSER_DOMAIN_FILE (analogously to |
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# MASQUERADE_DOMAIN and MASQUERADE_DOMAIN_FILE). If VIRTUSER_DOMAIN or |
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# VIRTUSER_DOMAIN_FILE is used, then the entries of class {VirtHost} are |
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# added to class {R}, i.e., relaying is allowed to (and from) those domains.
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