On Sun, Feb 11, 2024 at 10:59:37AM +0100, Matthias Nagel via Postfix-users
wrote:
> How do I forward submitted mails under the identity of an email alias
> to all other members of that alias? Is that even possible with Postfix
> only?
Yes, with sender_bcc_maps, and with the proviso that the BCC will be to
all the members of that "alias", rather than just "the other members".
> I found the configuration parameter sender_bcc_maps. At first glance,
> that looked promising, however it neither supports mail aliases nor
> more than one address.
Bcc the alias to itself. While you can't specify multiple addresses
*directly*, the specified address *is* subject to alias expansion.
> Just for the sake of clarity, I give a simplified example with only
> two mail accounts to illustrate what I want to achieve. Lets assume
> there are the virtual mail accounts `jane....@my-domain.tld` and
> `john....@my-domain.tld` as well as the alias `d...@my-domain.tld`
> which resolves to both mail accounts:
main.cf:
virtual_alias_maps = inline:{
{ doe@bcc.example = john.doe@bcc.example, jane.doe@bcc.example }
}
sender_bcc_maps = inline:{
{ doe@bcc.example = doe@bcc.example }
}
Replace the inline tables with equivalent tables of your choice,
holding all the desired aliases and bcc mappings.
--
Viktor.
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