#!/bin/bash
{
    read -r line
    line=`tr ',' ' ' <<< $line`
    while IFS=, read -r $line ; do
    echo "Server1: $server1"
    echo "Username1: $username1"
    echo "Password1: $password2"
    echo "Server2: $server2"
    echo "Username2: $username2"
    echo "Password2: $password2"
    imapsync --host1 $server1 --user1 $username1 --password1 $password1 --host2 $server2 --user2 $username2 --password2 $password2
done
} < emails.csv