Search results
Results From The WOW.Com Content Network
List of SMTP server return codes This is a list of Simple Mail Transfer Protocol (SMTP) response status codes. Status codes are issued by a server in response to a client's request made to the server.
Occasionally you may receive this error which usually corrects itself within a few minutes to a few hours. Learn about possible workarounds for Temporary Error 20 in ...
This is a list of Hypertext Transfer Protocol (HTTP) response status codes. Status codes are issued by a server in response to a client's request made to the server. It includes codes from IETF Request for Comments (RFCs), other specifications, and some additional codes used in some common applications of the HTTP. The first digit of the status code specifies one of five standard classes of ...
Fix problems reading & retrieving mail Still need help? Call paid premium support at 1-800-358-4860 to get live expert help from AOL Customer Care.
Fix problems with images not showing for mail recipients Still need help? Call paid premium support at 1-800-358-4860 to get live expert help from AOL Customer Care.
PSR J0737−3039 is the first known double pulsar. It consists of two neutron stars emitting electromagnetic waves in the radio wavelength in a relativistic binary system. The two pulsars are known as PSR J0737−3039A and PSR J0737−3039B. It was discovered in 2003 at Australia 's Parkes Observatory by an international team led by the Italian ...
Learn about why you might have received a delivery failure notice, and how to determine what's inside the message.
PSR B1919+21. PSR B1919+21 is a pulsar with a period of 1.3373 seconds [4] and a pulse width of 0.04 seconds. Discovered by Jocelyn Bell Burnell on 28 November 1967, it is the first discovered radio pulsar. [5] The power and regularity of the signals were briefly thought to resemble an extraterrestrial beacon, leading the source to be nicknamed ...