https://community.talktalk.co.uk/t5/Email/Error-Message-550-5-7-1/m-p/3097927#M185924 <P>On three occasions, when trying to send emails to an individual and an organisation, my emails have been rejected with the error message "550 5.7.1&nbsp; Reject for policy reason".&nbsp; When I try resending from a different account, a Gmail, they get through OK.&nbsp; Can you help me?</P> Thu, 13 Feb 2025 12:11:25 GMT stevemelia 2025-02-13T12:11:25Z https://community.talktalk.co.uk/t5/Email/Error-Message-550-5-7-1/m-p/3097927#M185924 <P>On three occasions, when trying to send emails to an individual and an organisation, my emails have been rejected with the error message "550 5.7.1&nbsp; Reject for policy reason".&nbsp; When I try resending from a different account, a Gmail, they get through OK.&nbsp; Can you help me?</P> Thu, 13 Feb 2025 12:11:25 GMT https://community.talktalk.co.uk/t5/Email/Error-Message-550-5-7-1/m-p/3097927#M185924 stevemelia 2025-02-13T12:11:25Z https://community.talktalk.co.uk/t5/Email/Error-Message-550-5-7-1/m-p/3098022#M185955 <P>Hi stevemelia, please reset your mailbox password for one that's not been used before. If after resetting the password sending isn't working again let me know and I'll pass it to the email team.</P> <P>&nbsp;</P> <P>Ady</P> Fri, 14 Feb 2025 08:13:58 GMT https://community.talktalk.co.uk/t5/Email/Error-Message-550-5-7-1/m-p/3098022#M185955 Ady-TalkTalk 2025-02-14T08:13:58Z