Hello Everyone,I have strange problem with my outlook 2003, for the past few days when ever I sent a mail to my colleague in my office, I got them back undelivered. The error message which I get is this: [email protected]>: host mx0.(domain).co.uk [ip.ip.ip.ip] said 550-verification failed for [email protected]> 550 sender verify failed(in reply to RCPT TO command)Note: Please note my colleague uses myoffice.co.uk and I use myoffice.comOther Notes:My colleague can send me mails, but I can’t send him back one, it bounce back to me.My other colleague in (myoffice.com domain) can send mails to my colleague in (myoffice.co.uk).But from morning today, I not able to send mails to my colleagues in (myoffice.co.uk), it bounces back to me, the error message is same as I have furnished above.If you feel something is confusing to you, please don’t hesitate to ask me. I need to solve this problem asap. Thanking Everyone
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Thank you for your posting , but still no joy...the problem is not resolved,
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