M is a free webmail service based in Russia.

Delivering to

Important links and references

Postmaster pages provides a postmaster page in English at On the postmaster site, you can also sign up for a statistics service that gives you data similar to the SNDS program, plus some more marketing specific information like true opens.

Feedback loop

There is a FBL provided at FBL Signup. Users must create a account in order to sign up for the FBL, but as is a free service, this isn’t a big deal. There’s some challenges with translation of the site, but I can link you to a translated version of the FBL signup instructions. Like Yahoo, the FBL is DKIM based.


Certification Services

Support for Senders

Known spamfilters


Updated 3/13/2014

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