9.27 on page 993). All of those pairs apply to this option, except the Listen
key. The flags set by the ClientPortOptions option are saved in the {client_flags} macro
(?§21.9.20 on page 812) and are thereby made available to rule sets.
As of V8.12, you can have multiple ClientPortOptions option declarations, one per Family
key type. That is, for example, one for the family of IPv4 addresses, and another for the
family of IPv6 addresses.
The ClientPortOptions option is not safe. If specified from the command line, it can cause
sendmail to relinquish its special privileges.
24.9.19 ColonOkInAddr
Allow colons in addresses V8.7 and later
One possible form of an address is called ???list syntax??? and looks like this:
group: list;
Here, group is the name of a mailing list, and list is a list of zero or more addresses to
which the message should be delivered. To understand this kind of address, sendmail needs
to view the prefix and colon as a comment and the trailing semicolon as a comment. This is
similar to treating everything outside an angle-bracketed address as a comment:
group: list ;
group:
;
For such addresses to be recognizable, it is necessary to prohibit the use of other addresses
that contain colons, unless those colons appear inside a part of the address that is
surrounded by angle brackets. That is, to use list syntax, addresses such as the following
cannot be allowed:
host:george@wash.
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