Disappearing emails?

[StuM]

Hi.
Firstly I would like to say I'm finding AquaMail great to use and am very happy with the UI.

I am having one major problem though. Emails will show up from my server but disappear after about 10- 15 minutes.

I really can't find a solution to this.

I have a Gmail account on my phone [Nexus 4] and don't have a similar problem with this.

Similarly, the same email account on my iPad works perfectly.

Any help greatly appreciated 

[Kostya Vasilyev]

Off to of my head -- if this is a @gmail.com account, make sure you're not using POP3.

The app has automatic setup using IMAP for @gmail.com emails.