I want to use port 587 to send email using an SMTP server via SSL or without SSL even. Is there any free email clients that can help me out here? My port 465 and 25 are blocked
There are many email clients that may meet your demand such as Foxmail and Thunderbird.
You can add a new account with manually without automatical config.
But you should make sure that the SMTP sever is using port 587 but not port 465 or 25. This should be configured in the server.
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i want to send an email from labview with an attachment. i check telnet smtp.gmail.com 587 and this port is open and my computer has an access to it. but i don't know whats the problem is LabVIEW.
and also ,i have tried smtp.mail.yahoo.com 465 but the problem is still. the connection everything is ok.
Thanks for helping me.
Best Regards
I think you forgot to add a colon between server name "smtp.gmail.com" and port "587"
https://www.ni.com/docs/en-US/bundle/labview/page/lvcomm/smtp_open_handle.html
server address specifies the hostname or IP address of the SMTP server
you want to use to send emails. You also can specify a port number by
appending a colon and the port number to the hostname or IP address in
the format hostname:port. By default, LabVIEW uses port 25, which
works only for non-TLS SMTP servers.
Finally done!
i send by outlook service.
I am having a problem configuring Prestashop SMTP.
I am trying to use gmail client.
SMTP server: smtp.gmail.com
Username: xxxxxxxx#gmail.com
Password: password_of_gmail
SSL
465
Error:
Connection could not be established with host smtp.gmail.com [Cannot assign requested address #99]
Gmail has turn off 2 step vertification, POP3 enabled, and Allow less secure apps enabled too.
Maybe your server doesn't allow external SMTP access.
For example 1and1 shared hosting doesn't allow that https://github.com/PHPMailer/PHPMailer/issues/816
I need to provide a SMTP email service to a network and correctly configure the ports.
I understand SMTP uses port 25 over TCP, but have also read that SMTP is mainly used to transfer mail between mail servers and not the individual clients. Would either IMAP or POP3 be needed to send from the client to the server on port 993 or 995? or is there another port or way?
What other ports are needed to send an email via SMTP?
Thanks in advance
My OpenCart website uses SendGrid as its email sending system. This all worked correctly up until recently. When using functions which require sending an email to the admin (eg. new order alert emails, creating a new account), I've been getting this error:
Notice: Error: Password not accepted from server! in .../system/library/mail.php on line 251
In OpenCart Settings > Mail, my settings are as follows:
Mail Protocol: SMTP
SMTP Host: smtp.sendgrid.net
SMTP Username: <username>
SMTP Password: <pass>
SMTP Port: 25
SMTP Timeout: 5
This is according to SendGrid's documentation: https://sendgrid.com/docs/Classroom/Basics/Email_Infrastructure/smtp_ports.html
Can anyone advise? These settings work on my localhost. I contacted the host to see if they blocked the SMTP port, but they replied that they don't have the ability to block the port since the SMTP host is not their website, but instead SendGrid.
This is not a port problem. I had the same issue: the SendGrid documentation is wrong. Documentation screenshot reports SendGrid username, but you have to use 'apikey'. I suggest to use port 587.
We have a legacy FoxPro application that uses CDO for NTS to send STMP email through our Exchange server. We have 3 locations: Local (app run on same domain as Exchange server), VPN (app run on external network connected to domain via VPN), External (app run on external network and connects via Internet).
Up to now, Local has been configured to use port 25 with SSL. VPN and External have been configured to use port 465 with SSL. (My understanding from our network admin was that Exchange couldn't be configured to do SMTPS on 465 and we had to use STunnel).
Recently, we made changes to our Exchange server to disable SSL and only allow TLS. We opened up port 587. So according to my network admin, we now have Port 25 & 587 using the same Exchange Receive Connector and are set to use STARTTLS. Port 465 has also been configured to use STARTTLS and uses a different Exchange Receive Connector; however, the properties are all configured the same as the one used for 25 & 587.
After this change was made, our VPN and External sites were no longer able to send email through the application. The error message they get is:
OLE IDispatch exception code 0 from CDO.Message.1: The transport failed to connect to the server.
So, here is the current state of things:
Local - can send on 25 but not on 465 or 587
VPN - can not send on any of these ports
External - can not send on any of these ports
I also tried using the same code and was able to send SMTP from our system through gmail on port 465 and port 25 but not 587.
This is getting way beyond me at this point and I really don't know where to go from here. Does anyone have any ideas as to what may be going on?
I used WireShark to try to figure out what was being communicated between my client and the server (this would be for the Local scenario). Here are some the results:
Exchange on port 25 (Worked)
Exchange on port 465 (Fail)
Exchange on port 587 (Fail)
Gmail on port 465 (Worked)
Gmail on port 587 (Fail)
We finally found a workaround in case anyone is interested. Our Network Admin installed STunnel on our Exchange server and configured it to watch port 465. This got everything working again.