id,summary,reporter,owner,description,type,status,priority,milestone,component,version,severity,resolution,keywords,cc,branch,changelog,apichanges,internalchanges 12815,Trac notification not working with Office 365,anonymous,,"Hello! I would like to send out all notifications using the SMTP-Server of Office 365, but it seems like Office 365 is not working with Trac 1.2.1. After creating a new ticket, I get the followind error-message: {{{ Warning: The ticket has been created, but an error occurred while sending notifications: 550 }}} I tried it with Gmail (I just changed the server, username and password) and it worked well for me. {{{ [notification] admit_domains = ambiguous_char_width = single batch_subject_template = ${prefix} Batch modify: ${tickets_descr} default_format.email = text/plain email_address_resolvers = SessionEmailResolver email_sender = SmtpEmailSender ignore_domains = message_id_hash = md5 mime_encoding = base64 sendmail_path = disabled smtp_enabled = enabled smtp_password = password smtp_port = 587 smtp_server = smtp.office365.com smtp_user = user@domain.com use_tls = enabled }}} ",defect,closed,normal,,notification,,normal,cantfix,,,,,,