zammad/app/views/mailer/email_oversized/en.txt.erb

[undeliverable] Message too large
Dear #{mail.from_display_name},

Unfortunately your email titled "#{mail.subject}" could not be delivered to one or more recipients.

Your message was #{mail.msg_size} MB but we only accept messages up to #{config.postmaster_max_size} MB.

Please reduce the message size and try again. Thank you for your understanding.

Regretfully,

Postmaster of #{config.fqdn}