Is there currently a Linux email server that will allow me to replicate how Gmail or Outlook allow aliases.i.e. with Hotmail (which is now Outlook) or Gmail I can sign up on a site and use myname+askubuntu@outlook.com and it will come to the myname@outlook.com account without first having to set up an alias.
Email server with automatic + sign aliases?
email;alias
This is typically called plus addressing. Most email servers can do it and were already doing it before GMail and Hotmail existed and copied that feature.With Postfix, set recipient_delimiter in /etc/postfix/main.cf. This is in the default configuration as shipped by some distributions such as Debian and Ubuntu.recipient_delimiter = +With Exim, set a local part in /etc/exim.conf:local_part_suffix = +* : -*local_part_suffix_optionalThe old Email addressing FAQ discusses some older MTAs including Sendmail and Qmail.