To cite package ‘sendmailR’ in publications use:

Mersmann O (2026). sendmailR: Send Email Using R. R package version 1.4-0, https://github.com/olafmersmann/sendmailr.

Corresponding BibTeX entry:

  @Manual{,
    title = {sendmailR: Send Email Using R},
    author = {Olaf Mersmann},
    year = {2026},
    note = {R package version 1.4-0},
    url = {https://github.com/olafmersmann/sendmailr},
  }