Files
Tanmay Deep SharmaandGitHub 7d42edd17f fix: sanitize parentheses from email From header to prevent SMTP 553 errors (#14075)
## Description

When an inbox name or business name contains parentheses — e.g. `Giro
Crédito - Soporte (Email` — the resulting From header becomes
unparseable by SMTP servers. The `(` is interpreted as an RFC 5322
comment start, swallowing the actual email address and causing a `553
Invalid email address` rejection.

Closes [CW-6323](https://linear.app/chatwoot/issue/CW-6323)


## Type of change

- [ ] Bug fix (non-breaking change which fixes an issue)

## How to reproduce?

1. Set an inbox's name or business name to include a parenthesis, e.g.
`Support (Email`
2. Send an outgoing email reply from that inbox
3. Observe `Net::SMTPFatalError: 553 ... Invalid email address`

## Checklist:

- [ ] My code follows the style guidelines of this project
- [ ] I have performed a self-review of my code
- [ ] I have commented on my code, particularly in hard-to-understand
areas
- [ ] I have made corresponding changes to the documentation
- [ ] My changes generate no new warnings
- [ ] I have added tests that prove my fix is effective or that my
feature works
- [ ] New and existing unit tests pass locally with my changes
- [ ] Any dependent changes have been merged and published in downstream
modules
2026-04-21 11:30:20 +05:30

53 lines
1.1 KiB
Ruby

class Email::BaseBuilder
include EmailAddressParseable
pattr_initialize [:inbox!]
private
def channel
@channel ||= inbox.channel
end
def account
@account ||= inbox.account
end
def conversation
@conversation ||= message.conversation
end
def custom_sender_name
message&.sender&.available_name || I18n.t('conversations.reply.email.header.notifications')
end
def sender_name(sender_email)
# Friendly: <agent_name> from <business_name>
# Professional: <business_name>
if inbox.friendly?
I18n.t(
'conversations.reply.email.header.friendly_name',
sender_name: custom_sender_name,
business_name: business_name,
from_email: sender_email
)
else
I18n.t(
'conversations.reply.email.header.professional_name',
business_name: business_name,
from_email: sender_email
)
end
end
def business_name
inbox.sanitized_business_name
end
def account_support_email
# Parse the email to ensure it's in the correct format, the user
# can save it in the format "Name <email@domain.com>"
parse_email(account.support_email)
end
end