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> (And, of course, add a test for this behaviour.)Īnd EHLO requires an argument. > front of the "EHLO\r\n", on line 59 of mailnews/base/util/autoconfigUtils.jsm. #Mozilla thunderbird mail smtp how to verify connection Patch> On the plus side, it looks like a patch could be as easy as adding a "", in That's designed to catch spammers out, and to limit the rate at which a given spammer can spam. Furthermore, they often deliberately wait an extended period - perhaps a few seconds - before speaking. ![]() Because of the spam problem, many servers are very strict about this. In HTTP the client speaks first, but in SMTP the server speaks first. It's a fundamental difference between HTTP and SMTP. > the EHLO, and it sounds like not pausing is causing some mail servers to return > It sounds like Thunderbird's auto-probe should pause a little before sending > I think this bug should be about the problem mentioned in the first comment. I downloaded the source myself, built it, but had not got around to determining where to look before I got. Perhaps bwinton could detail their current thinking and if someone has the time to look into it they could. > It appears to me from comments 9 and 11 that we're mostly waiting on bwinton > to find the time to nail down what he thinks this bug is truly about. #Mozilla thunderbird mail smtp how to verify connection free> Ludo, if you had something else in mind when nominating, feel free to explain The logfiles is additional debug information which I had hoped would make it clearer to the next person who came along what the precise problem was. No, Comment 0, explains that the problem is Thunderbird violates the SMTP standards (in at least 2 ways) whilst probing for what the server is capable of. > happen to parse their logs looking for unusual strings. > to talk about something which would effect the small number of sysadmins who > to me what user-facing issue is nominated to block, if any.Īccount creation - particular via the Wizard component. Additional comments relate to a similar problem with IMAP as well. My bug is specifically about SMTP probing causing Thunderbird to assume no encryption capability. Indeed - the meta issue here is that the probing done by Thunderbird is prone to error. > This bug is talking about a bunch of different issues, Has this already been done? I couldn't find anything. > And yes, this should be filed as a separate bug (your #1 is bug 525643). However, there still is no red nor green light for the username. #Mozilla thunderbird mail smtp how to verify connection fullHowever, there is neither a red nor a green light in front of the username field.Īfter I correct the username to reflect the full email adress and have the correct password entered, an authentication test should succeed. > Given that authentication may be different (though unlikely) for incoming andĪre you sure that it checks authentication for IMAP? I tried to set up a new account, as Thunderbird guesses the wrong username (my server requires full email adress, not just local part), the authentication should fail. #Mozilla thunderbird mail smtp how to verify connection verification> apparently no verification is performed during probing of SMTP connections. > It is doing that for the incoming server (e.g., bug 491202 for IMAP), but Thunderbird doesn't attempt to verify either the email address or the Thunderbird should wait until the banner appears, and then integorgate the server. Thunderbird will send commands too quickly, and be considered spammy 13:04:31 SMTP protocol synchronization error (next input sent too soon: pipelining was not advertised): rejected "EHLO" H= next input="QUIT\r\n"ģ. 13:04:29 SMTP protocol synchronization error (next input sent too soon: pipelining was not advertised): rejected "EHLO" H= next input="QUIT\r\n" 13:04:28 SMTP protocol synchronization error (next input sent too soon: pipelining was not advertised): rejected "EHLO" H= next input="QUIT\r\n" This is because client which do not wait for the server to respond are typically malware. In this manner it can detect clients which are not waiting for responses and drop the connection. ![]() ![]() However it often, at least for me, seem to default to 587/None when it should have found 587/STARTTLS.ĭigging into the logs, I see that my SMTP server (exim) complains because Thunderbird has not waited until it has printed its banner - a feature of exim is that ths banner is not generated straight away. Thunderbird when setting up a new mail account will attempt to integorgate the SMTP server. ![]()
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