On 10/19/2020 8:29 PM, John Levine via mailop wrote: > I'm getting a steady stream of spam from Sendgrid purporting to be > Efax messages, with what appears to be an XLS spreadsheet attached. > The return addresses are all over the place but they all come through > Sendgrid, e.g., John, Sendgrid has become a havent for malware/spammers/phishers since Q1 this year.
Are you using spamassassin? There is an ESP plugin and some items in KAM.cf to combat the scurge. _______________________________________________ mailop mailing list mailop@mailop.org https://list.mailop.org/listinfo/mailop
