mRpostman: An IMAP Client for R

A session-based IMAP client that implements the full command sets of the IMAP4rev2 (RFC 9051) and IMAP4rev1 (RFC 3501) protocols, along with the optional extensions registered with the Internet Assigned Numbers Authority, allowing virtually all e-mail operations to be performed from within R, paving the way for e-mail data analysis.

Version: 3.0.0
Depends: R (≥ 4.1.0)
Imports: curl, lifecycle, R6, stringr, stringi, magrittr, assertthat, base64enc, utils, rvest, xml2
Suggests: knitr, rmarkdown, testthat (≥ 3.1.7), httr2, jsonlite
Published: 2026-09-09
DOI: 10.32614/CRAN.package.mRpostman
Author: Allan Quadros ORCID iD [aut, cre], Paul Smith [ctb], Kurt Hornik [ctb]
Maintainer: Allan Quadros <allanvcq at gmail.com>
BugReports: https://github.com/allanvc/mRpostman/issues/
License: GPL-3
URL: https://allanvc.github.io/mRpostman/
NeedsCompilation: yes
SystemRequirements: libcurl: libcurl-devel (rpm) or libcurl4-openssl-dev (deb)
Citation: mRpostman citation info
Materials: README
CRAN checks: mRpostman results

Documentation:

Reference manual: mRpostman.html , mRpostman.pdf
Vignettes: mRpostman basics (source, R code)
A reproducible IMAP sandbox with Docker (source, R code)
IMAP OAuth2.0 authentication in mRpostman (source, R code)

Downloads:

Package source: mRpostman_3.0.0.tar.gz
Windows binaries: r-devel: mRpostman_1.4.0.zip, r-release: mRpostman_1.4.0.zip, r-oldrel: mRpostman_1.4.0.zip
macOS binaries: r-release (arm64): mRpostman_1.4.0.tgz, r-oldrel (arm64): mRpostman_3.0.0.tgz, r-release (x86_64): mRpostman_3.0.0.tgz, r-oldrel (x86_64): mRpostman_3.0.0.tgz
Old sources: mRpostman archive

Linking:

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