Its Electronic Mail
E-Mail ID = Electronic Mail Identification Directory
The Full form of g mail is google mail.
There are lot of full form of PFA based on your message. For example: If you are using it in e-mail then its full form will be Please Find Attachment.
The full form of SMTP is Simple Mail Transfer Protocol (SMTP). The Simple Mail Transfer Protocol refers to the internet standard for the electronic mail transmission.
Multipurpose Internet Mail Extensions (MIME) is an Internet standard that extends the format of e-mail to support:
google mail
The full form of gmail is google mail
Simple Mail Transfer Protocol (SMTP) is an Internet standard for electronic mail (e-mail) transmission across Internet Protocol (IP) networks
SMTP stands on simple mail transfer protocol
Electronic mail
Electronic Mail