checking CRAN incoming feasibility ... NOTE Maintainer
According to CRAN Maintainer Uwe Ligges,
This is just a note that reminds CRAN maintainers to check that the submission comes actually from his maintainer and not anybody else.
Thus, it is safe to ignore such a message.
These checks can be disabled. R Internals states:
_R_CHECK_CRAN_INCOMING_Check whether package is suitable for publication on CRAN. Default: false, except for CRAN submission checks._R_CHECK_CRAN_INCOMING_REMOTE_Include checks that require remote access among the above. Default: same as _R_CHECK_CRAN_INCOMING_