Offering to co-maintain Mail Login

Problem/Motivation

To help fixing the issues and to support the single maintainer, I'd like to offer my help as Co-maintainer. We're actively using the module in several projects, so we're definitely interested in a long-term maintainership.

Please have a look at my profile for references.
I'd also like to suggest my teammate @Grevil for co-maintership, if the maintainer agrees.

Steps to reproduce

Proposed resolution

Remaining tasks

User interface changes

API changes

Data model changes