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    Mail - can no longer send emails

    Hi Satcomer, MisterMe, and Dickster, thank you all for your kind thoughts and advice on this. Yes, I did delete the mail.pst file and start again, then I also changed the port number to 995. I use the smtp server of my isp which is - smtp-mbb.three.co.uk My isp is mobile three...
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    Mail - can no longer send emails

    Hi Satcomer, Thank you for the suggestion. I have pinged it previously and no packets were able to be sent. I then looked up other people with the same problem who contacted their isp and were told that the ping only showed problems on the local computer and not on the isp! How do you...
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    Mail - can no longer send emails

    Hi Satcomer, Polly have you tried launching Mail and in Mails menu items select "Window" and in the drop-down select 'Connection Doctor". This way so can see what the SMTP error is saying. Yes, thank you, I have done that and it says what it said in the error message, that it couldn't...
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    Mail - can no longer send emails

    Hi Fryke, Thank you for your advice - 1.) Delete the SMTP entry completely and recreate it from scratch. I'm not entirely sure whether Mail.app actually lets you do that, but it's worth a try. Worst case, you'd have to completely get rid of the account and recreate it from scratch...
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    Mail - can no longer send emails

    Hi Fryke, thank you for your reply. Yes, I am using port 25. No authentication is required. The outgoing server name I was given by my isp is - smtp-mbb.three.co.uk What is interesting is that this worked for absolutely ages, and then suddenly it stopped working. I contacted...
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    Mail - can no longer send emails

    Hi, Mail has been working just fine for ages and then for the last 4 weeks it cannot send any emails and gives me the following error message - 'Cannot send message using the server smtp-mbb.three.co.uk' I phoned up the isp to see whether they had changed the outgoing mail server at...
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