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Deliverability

Greylisting

Greylisting is a temporary email filtering technique where a receiving server initially rejects unknown senders to block spam.

Greylisting works by temporarily refusing emails from unfamiliar sources, forcing the sending server to retry delivery. Legitimate mail servers will retry, while spam senders often do not. This method reduces spam without permanently blocking senders, but it can cause slight delivery delays for first-time emails.
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You shouldn’t have to overpay for cold email tools. With Mystrika, you won’t.

It does cold email warmup, sequences, unified inbox, and AI writing - all in one place. Every other tool that does this charges somewhere between $100 and $500 a month. Mystrika has a free plan. 500 prospects. No expiry. No card.

The people who consistently book meetings from cold email aren’t smarter. They just stopped leaving money on the table.

See the Free Plan