Enable vacation auto reply in SoGo will not append domain wide signature

[53c70r]

Contribution guidelines

• [X] I've read the contribution guidelines and wholeheartedly agree

I've found a bug and checked that ...

• [X] ... I understand that not following the below instructions will result in immediate closure and/or deletion of my issue.
• [X] ... I have understood that this bug report is dedicated for bugs, and not for support-related inquiries.
• [X] ... I have understood that answers are voluntary and community-driven, and not commercial support.
• [X] ... I have verified that my issue has not been already answered in the past. I also checked previous issues.

Description

When domain wide signatures are enabled and "Enable vacation auto reply" in SoGo is enabled too, no domain wide signature will be appended to the outgoing mail.

Logs:

Mail.

Steps to reproduce:

1. Enable domain wide signatures on mailcow.
2. Enable vacation auto reply.

Which branch are you using?

master

Which architecture are you using?

x86

Operating System:

-

Server/VM specifications:

-

Is Apparmor, SELinux or similar active?

-

Virtualization technology:

-

Docker version:

newest

docker-compose version or docker compose version:

-

mailcow version:

-

Reverse proxy:

-

Logs of git diff:

yes

Logs of iptables -L -vn:

no

Logs of ip6tables -L -vn:

no

Logs of iptables -L -vn -t nat:

yes

Logs of ip6tables -L -vn -t nat:

no

DNS check:

irrelevant