Your SMTP server port normaly should be port 25 without SSL and port 465 with SSL. Some ESPs also use port 587 with TLS so ask your ESP what smtp port is open.
Read MoreIf you are looking to send emails using your email client i.e outlook or other software you required smtp server in case if you are gmail account holder you need to put gmail smtp server which is smtp.gmail.com. Put that in outgoing email server and put your gmail user and pwd in username and password […]
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