TOMO, Sri. Mail Server Postfix. Jurnal Ilmiah SINUS, [S. l.], v. 2, n. 2, 2014. DOI: 10.30646/sinus.v2i2.143. Disponível em: https://ejournal.tsu.ac.id/index.php/e-jurnal_SINUS/article/view/143. Acesso em: 14 may. 2026.