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Do many websites support email address with ip literals? john@12.34.56.78 ? I haven't seen such email addresses in years.
by mtmail 1y ago
Do many websites support email address with ip literals? john@12.34.56.78 ? I haven't seen such email addresses in years.
- sylware 1y agoAny competent sysadmin will handle those, with serious software, ofc. That said, this standard format is: mailbox@[x.x.x.x] and mailbox@[ipv6:...]
- sylware 1y agoI forgot: for obvious reasons, those emails are stronger than SPF since there is a direct correlation between the email address and the smtp server.