Get to the inbox before you write a word.
The checks we run on every domain and every email inside Mailbase, free and without an account. Nothing you enter is stored.
Domain checkSPF, DKIM, DMARC and MX read from DNS, with what each one means and what to fix.Open the toolCold email checkerPaste a first email: length, links, pressure words, the question, the way to say no — in English or French.Open the toolSPF record generatorTick the services you send through and get one valid SPF record, inside the 10-lookup limit.Open the toolDMARC record generatorPick a policy and a report address; get the record and where to put it.Open the tool