Currently, we can configure the thank you emails in https://civicrm.wikimedia.org/civicrm/admin/setting/wmf-thankyou but we can't configure the other emails. We could add a similar setting page for other emails or maybe there is a more comprehensive way to cover this (maybe a custom field on the template and a SK that allows you to edit these in place with default to the domain from and email if not set).
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@ppenloglou Would we always want the same from name for all languages or is it possible that we'd want to configure this per language in the future?
We do this on some fundraising emails sent from Acoustic.
From Name English: Lisa at Wikipedia Portuguese: Lisa da Wikipédia
However, I don't anticipate needing custom from names per locale on a single template though when we're talking about CiviCRM mailings.
@IAsplund-WMF Could I get your opinion as well on this? I'm assuming it'll be easier for Lars not to develop this feature.
It would definitely be simpler to implement per message template, rather than per translation, so if we don't need it per translation now I'd say do it the simpler way first and then if we discover that we do need translations of the from name in the future, we can add them at that point.