<html><head><style type='text/css'>p { margin: 0; }</style></head><body><div style='font-family: arial,helvetica,sans-serif; font-size: 12pt; color: #000000'><div style="color:#000;font-weight:normal;font-style:normal;text-decoration:none;font-family:Helvetica,Arial,sans-serif;font-size:12pt;">Hello,<br><div style="font-family: arial,helvetica,sans-serif; font-size: 12pt; color: #000000"><br>I cannot send an email with attachment via a RT ticket. This is the error message in the logs:<br><br>Aug 23 09:26:42 MAIL-01 postfix/smtp[29806]: 9DD441D5362: to=<ABC@eon.ie>, relay=mx.eon.ie[XX.XXX.XXX.XXX]:25, delay=0.91, delays=0.07/0/0.21/0.62, dsn=5.1.0, status=bounced (host mx.eon.ie[XX.XXX.XXX.XXX] said: 550 5.1.0 q9Sg1j02P2zd5X8019SgxU invalid domain (in reply to MAIL FROM command))<br><br>The destination mail server recognises the smtp request as coming from invalid domain however I can send mail from my own account without using RT with no issues.<br>The requestors have the correct email address in the ticket.<br><br>Any ideas how to correct this?<br><br></div></div></div></body></html>