Does PMG support "plus addressing" / "sieve subaddressing" (mailbox+sieve@domain)?

[ecarlseen]

I can't seem to find anything for this in the PMG documentation.

RFC 5233 specifies how this works, but the gist is that the username portion of the recipient address can be immediately followed by a plus sign and a sieve tag used for sorting, before the @ and domain name. For example, GMail and other mailservers will allow you to automatically file inbound mail based on the sieve tag. Sieve tags are not considered when routing mail - when doing an LDAP or SMTP username check you discard the sieve tag when performating the match.

This is still a "proposed standard" RFC, but it is very widely implemented and supported (MS Exchange / 365, GMail, Postfix, Exim, etc).

I know how to configure the underlying Postfix MTA to handle sieve subaddressing, but was wondering if it is supported by rules and other parts of the overall PMG system or if I'd just be making a mess.

 

[Stoiko Ivanov]

The default postfix configuration shipped with PMG sets the recipient_delimiter option to '+' - https://www.postfix.org/postconf.5.html#recipient_delimiter

what else would you need? or asked differently what exactly is not working for you?

 

[ecarlseen]

The default postfix configuration shipped with PMG sets the recipient_delimiter option to '+' - https://www.postfix.org/postconf.5.html#recipient_delimiter

what else would you need? or asked differently what exactly is not working for you?

Stoiko,

Thanks for your response! I'm looking at doing a test implemenation, this is a feature we use extensively, it's not mentioned in the documentation, and I wanted to make sure that it's reasonably supported before we dive in. Looks like it's a go.