[Minor] Validate assumed spoofed display name domains to contain a dot A displayname of the form <something>@<name> might have been mistaken for an email address
[Minor] Validate assumed spoofed display name domains to contain a dot
A displayname of the form <something>@<name> might have been mistaken
for an email address

AlexeySa/rspamd,AlexeySa/rspamd,AlexeySa/rspamd,AlexeySa/rspamd,AlexeySa/rspamd,AlexeySa/rspamd,AlexeySa/rspamd,AlexeySa/rspamd,AlexeySa/rspamd