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&quot;protocol error&quot; is misleading when the real problem appears to be an error in the email address. &nbsp;You have a comma ',' where there should be period '.' . &nbsp;You have &quot;comcast,net&quot; when it should be &quot;comcast.net&quot;.
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"protocol error" is misleading when the real problem appears to be an error in the email address.  You have a comma ',' where there should be period '.' .  You have "comcast,net" when it should be "comcast.net".

Blinkr

dfke

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Thanks Dave,<br />
This worked on my main account &amp;&nbsp;a couple other accounts, but it didn't work one other one. Any other suggestions? 
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Thanks Dave,
This worked on my main account & a couple other accounts, but it didn't work one other one. Any other suggestions?

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Not enough info. &nbsp;Show us the error message from the one that doesn't work.
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Not enough info.  Show us the error message from the one that doesn't work.

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Hi,<br />
<br />
he already did.<br />
<br />
Cheers
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If you mean the error message above, the only problem is the comma instead of the dot.
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If you mean the error message above, the only problem is the comma instead of the dot.

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<div class="content wysiwyg-content fr-view">
<p><a href="https://filedb.experts-exchange.com/incoming/2023/01_w04/1610699/Protocol-Error.jpg" rel="ugc"><img src="https://filedb.experts-exchange.com/incoming/2023/01_w04/1610699/Protocol-Error.jpg" class="fr-fic fr-dib"></a>I have setup my email just like I had it on my previous client. Now when I go to send or reply to an email I get a message that "there is a protocol error". I have included a jpg with the error message in this posting.</p><p><br></p><p>Any suggestions would be greatly appreciated! Thanks in advance!</p>
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Protocol-Error.jpg


I have setup my email just like I had it on my previous client. Now when I go to send or reply to an email I get a message that "there is a protocol error". I have included a jpg with the error message in this posting.
Any suggestions would be greatly appreciated! Thanks in advance!

How do I handle this protocal error?

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Golang

An email client, email reader or more formally mail user agent (MUA) is a computer program in the category of groupware environments used to access and manage a user's email. A web application that provides message management, composition, and reception functions may internally act as an email client; as a whole, it is commonly referred to as webmail. Likewise, email client may be referred to a piece of computer hardware or software whose primary or most visible role is to work as an email client. Email clients can also have other systems, like calendars, notes and contact managers.

Email Clients

The Hypertext Transfer Protocol (HTTP) is an application protocol for distributed, collaborative, hypermedia information systems. Hypertext is structured text that uses logical links (hyperlinks) between nodes containing text. HTTP is the protocol to exchange or transfer hypertext. HTTP functions as a request-response protocol in the client-server computing model. HTTP is designed to permit intermediate network elements to improve or enable communications between clients and servers. HTTP is an application layer protocol designed within the framework of the Internet Protocol Suite; it presumes an underlying and reliable transport layer protocol.