Thank you so much Viktor. Yes this instance only sends mail for a small handful of domains in our organization and does not accept or relay any mail. That said, your suggestions about the regex are well advised and I will make some adjustments.
I had no idea that the regex table could take conditional arguments! That will work perfectly. By any chance are you a member on serverfault.com? I've posted this question there - if you'd like to answer it before the bounty expires you're more than welcome: https://serverfault.com/questions/1093289/postfix-sender-bcc-maps-ignore-a-specific-user On Mon, Feb 21, 2022 at 10:52 PM Viktor Dukhovni <postfix-us...@dukhovni.org> wrote: > On Mon, Feb 21, 2022 at 08:17:17PM -0500, billy noah wrote: > > > /^([^@]+)@[a-zA-Z0-9_]+\.[a-zA-Z0-9_]+$/ $1...@example.com > > > > This works great, however I have an email address nob...@example.com > that > > I'd like to *exclude* from this configuration. How can I configure > > sender_bcc_maps to *completely ignore* a specific sender's address. > > I hope the rather non-specific domain match is never applied to incoming > mail from outside, and this is an exclusively "outbound" MTA... > > Note that valid email domain names don't contain "_" characters, you can > leave these out of the "domain part" of the address. Also matching is > case insensitive by default. Domain names can contain "-" characters, > but perhaps yours don't, in which case: > > if !/^nobody@/ > /^([^@]+)@[a-z0-9]+\.[a-z0-9]+$/ $1...@example.com > endif > > -- > Viktor. >
