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FastMail Forum All posts relating to FastMail.FM should go here: suggestions, comments, requests for help, complaints, technical issues etc. |
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21 Dec 2018, 04:17 PM | #1 |
Junior Member
Join Date: Feb 2013
Posts: 5
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"Cannot send messages using the server" in Mac OS X Mail
In the OS X Mail app on my Macbook, I can't send messages from my fastmail account. I've tried several times putting in a New App Password from Fastmail. In Mail, I receive messages just fine. When I try to send something, I get the following popup message:
"Cannot send message using the server" smtp.fastmail.com:xxxxxxxx@fastmail.net "The SMTP connection to server 'smtp.fastmail.com' failed." It lists the server in the menu as "smtp.fastmail.com:[myemailaddress]@fastmail.net". I followed both the automatic instructions and then tried the manual instructions from Fastmail: https://www.fastmail.com/help/clients/mac.html https://www.fastmail.com/help/client...il-manual.html I consulted this Fastmail.com page about "Email client sending issues", which wasn't any help: https://www.fastmail.com/help/client...ingissues.html Does anyone know what might be going on? |
21 Dec 2018, 10:20 PM | #2 |
The "e" in e-mail
Join Date: May 2003
Location: mostly in Thailand
Posts: 3,095
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In the advanced tab, ensure the port number for SMTP is 587 and Use SSL is ticked.
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22 Dec 2018, 04:04 AM | #3 |
Essential Contributor
Join Date: May 2018
Posts: 478
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587? That's for STARTTLS.
Look here for all the server settings and make sure your SMTP settings have port 465 and SSL set. And of course using the app-specific password. Doesn't mac mail have a "Connection Doctor" menu item which allows you to trace the protocol exchange to pin down exactly what's not working? |
22 Dec 2018, 05:39 AM | #4 |
The "e" in e-mail
Join Date: Jul 2002
Location: VK4
Posts: 3,029
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23 Dec 2018, 03:06 PM | #5 |
Junior Member
Join Date: Feb 2013
Posts: 5
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24 Dec 2018, 02:25 AM | #6 |
Essential Contributor
Join Date: Dec 2001
Location: Denton, TX
Posts: 346
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24 Dec 2018, 03:21 AM | #7 |
The "e" in e-mail
Join Date: May 2003
Location: mostly in Thailand
Posts: 3,095
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24 Dec 2018, 04:40 AM | #8 |
Essential Contributor
Join Date: Dec 2001
Location: Denton, TX
Posts: 346
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24 Dec 2018, 06:25 AM | #9 |
The "e" in e-mail
Join Date: Jul 2002
Location: VK4
Posts: 3,029
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I found that with some phones you have to tick the 3 boxes IMAP/POP/SMTP when you apply for a new application password.
Well that worked for me anyway. Last edited by Terry : 24 Dec 2018 at 06:54 AM. |