As of trixie, heirloom-mailx is an alternative for mailx:
``` nr@homedog ~/n/s-nail-14.9.25> update-alternatives --list mailx /usr/bin/bsd-mailx /usr/bin/heirloom-mailx /usr/bin/mail.mailutils /usr/bin/mh/mhmail nr@homedog ~/n/s-nail-14.9.25> dpkg -s heirloom-mailx Package: heirloom-mailx Status: hold ok installed Priority: optional Section: mail Installed-Size: 508 Maintainer: Hilko Bengen <[email protected]> Architecture: amd64 Version: 12.5-4 Replaces: nail Provides: imap-client, mail-reader, mailx Depends: base-files (>= 2.2.0), libc6 (>= 2.14), libgssapi-krb5-2 (>= 1.17), libssl1.1 (>= 1.1.0) Suggests: exim4 | mail-transport-agent Conflicts: mailutils (<< 1:1.1+dfsg1-4), mailx (<< 1:20071201) Conffiles: /etc/nail.rc 0b38ebc4dc092bfe594c4b07f7df37d6 Description: feature-rich BSD mail(1) Workalike of the classical mail(1). Heirloom mailx can produce and read MIME and S/MIME messages and has greatly improved character-set handling, including support for UTF-8. . It can send messages through a local /usr/bin/sendmail interface or SMTP, using a smarthost. Mail can be read from local mailboxes as well as via POP3 or IMAP connections. Network protocols can be encrypted using SSL/TLS. Homepage: http://heirloom.sourceforge.net/mailx.html ``` This bug can be closed.

