[Sujan]

Interesting:

> Thank you [e-mail]

> One more thing. We took a look at your current mail's health:

> Deliverability of your messages (thumbsdown)

> Your server is weakly secured and could be used for sending spam.

Seems like a false positive.

[premyslruzicka]

That check looks for blacklisted IPs of your provider. Gmail is blacklisted very often, thus making deliverability of your messages to some servers lower. Might be a poor wording on our side. We'll take a look at that.