Email security & deliverability · grade A
v=spf1 a mx ip4:185.59.210.112/29 ip4:153.92.244.2 ip4:185.59.208.74/31 ip4:185.59.210.28/30 ip4:93.185.99.201 ip4:185.68.70.200/24 include:_spf.google.com include:amazonses.com include:spf.sendinblue.com include:_emailing.heureka.cz ~all