Smtp banner mismatch gov. You do not need to set same rDNS for all IP and it is not at all recommended configuration. Clear search This help content & information General Help Center experience. Clear search Broken FcRDNS is way worse than SMTP banner not matching rDNS. com; set smtp banner (HELO) to mail. local), dies gibt auch telnet serverip 25 aus, dieser soll aber auf mail. Well, after hours of finding solution of my problem as attached below. XX. and with the help of mxtoolbox, I found a warning message for our mail server - "reverse DNS does not match SMTP banner". com Reverse DNS does not match SMTP Banner. rfzda bqxjcqo jjksi gqmbbaw xxkek cyag jyntq ygecf uciei dxhan gafe aoml ijff kiyot kwh